Chiricahua Peak Quadrangle Cochise County, Arizona Analytic Data and Geologic Sample Catalog
U.S. GEOLOGICAL SURVEY BULLETIN 2021-C
Chapter C Chiricahua Peak Quadrangle, Cochise County, Arizona Analytic Data and Geologic Sample Catalog
By EDWARD A. DU BRAY, DOUGLAS B. YAGER, and JOHN S. PALLISTER
Geochemical data for and availability of samples collected during geologic mapping of the quadrangle
U.S. GEOLOGICAL SURVEY BULLETIN 2021
GEOLOGIC SAMPLING OF THE CHIRICAHUA MOUNTAINS, ARIZONA U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBIT, Secretary
U.S. GEOLOGICAL SURVEY Dallas L. Peck, Director
Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U. S. Government.
UNITED STATES GOVERNMENT PRINTING OFFICE: 1993
For sale by USGS Map Distribution Box 25286, Building 810 Denver Federal Center Denver, CO 80225
Library of Congress Cataloging-in-Publication Data du Bray, E. A. Chiricahua Peak quadrangle, Cochise County, Arizona: analytic data and geologic sample catalog / by Edward A. du Bray, Douglas B. Yager, and John S. Pallister. p. cm. (U.S. Geological Survey bulletin ; 2021) (Geologic sampling of the Chiricahua Mountains, Arizona; Chapter C) "Geochemical data for and availability of samples collected during geologic mapping of the quadrangle." Includes bibliographical references. Supt. of Docs, no.: I 19.3:2021C 1. Geochemistry Arizona Cochise County. 2. Geology Arizona Cochise County. I. Yager, Douglas B. II. Pallister, John S. III. Title. IV. Series. V. Series: Geologic sampling of the Chiricahua Mountains, Arizona : ch. C. QE75.B9 no. 2021 [QE515] 557.3 s--dc20 [551.9'09791'53] 93-16446 CIP CONTENTS
Abstract Cl Introduction Cl General geology Cl Analytic data C4 References cited C5
PLATE [Plate is in pocket] 1. Map showing sample localities and sites of geologic observations in the Chiricahua Peak quadrangle
FIGURE 1. Map showing location of the Chiricahua Peak quadrangle and important geographic and geologic features in the Chiricahua Mountains area C2
TABLES 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle C6 2-7. Analyses of selected samples collected in the Chiricahua Peak quadrangle: 2. Major oxides C13 3. Trace elements C16 4. Instrumental neutron activation data C21 5. Abundances of FeO, CC>2,F, andCl C22 6. Abundances of Be, Cr, Ni, Pb, Sn, and Ag C22 7. Semiquantitative spectrographic data C22
Contents III
Chiricahua Peak Quadrangle, Cochise County, Arizona- Analytic Data and Geologic Sample Catalog
By Edward A. du Bray, Douglas B. Yager, and John S. Pal lister
Abstract press). It lists the availability of chemical data, thin sec tions, and hand specimens for each of the samples collected More than 210 rock samples were collected during geo in the quadrangle (table 1) and provides tabulations of logic mapping of the Chiricahua Peak 71£-minute quadrangle in southeastern Arizona. Energy-dispersive trace-element anal chemical data (tables 2-7) for samples of Tertiary volcanic yses were conducted for 155 samples, major-oxide abun rocks that were collected during geologic mapping of the dances were determined for 67 samples, and instrumental quadrangle. The mapping and data collection are both part neutron activation analyses were conducted for 13 samples. of a continuing volcanologic study of the Chiricahua Miscellaneous wet chemical determinations ( CO2, FeO, F, Mountains in general and of the Turkey Creek caldera in and CD were made for nine samples. Determinations of Be, Cr, particular. The geology of the area has been summarized by Ni, Pb, Sn, and Ag were made for three samples using a com Pallister and du Bray (1989) and by Pallister and others bination of spectrographic and wet chemical methods. Semi- (1990). The data presented here are the subject of a study quantitative spectrographic analyses were obtained for four concerning evolution of the Turkey Creek caldera (du Bray mineralized or altered samples. Standard, and in some cases and Pallister, 1991) and ongoing topical studies. polished, thin sections were prepared for about two-thirds of the samples. All of these resources aided map unit character ization. The availability of chemical data, thin sections, and GENERAL GEOLOGY hand specimens for each of the samples collected in the quad rangle is tabulated in this report. Information in this report sup plements the geologic map of the Chiricahua Peak quadrangle Erosion and basin-range faulting in the Chiricahua (U.S. Geological Survey Geologic Quadrangle Map GQ-1733) Mountains have exposed multiple levels through the 27-Ma and supports ongoing investigations of the Turkey Creek (Pallister and du Bray, 1989) Turkey Creek caldera. Parts caldera. of the 20-km-diameter caldera underlie the northern two- thirds of the Chiricahua Peak quao"rangle. Components of INTRODUCTION the caldera exposed in the quadrangle are all of Oligocene age and include, from oldest to youngest, intracaldera and The Chiricahua Peak 7lk -minute quadrangle (fig. 1) outflow facies of the Rhyolite Canyon Tuff; dacite por is east-southeast of Tucson, Ariz., in the Chiricahua Moun phyry, which forms a resurgent core intrusion and a ring tains. The quadrangle is located about 70 km southeast of intrusion with associated lava flows; and rhyolite (mostly Willcox, Ariz. The Chiricahua Peak quadrangle includes lava flows but including some tuff) that fills the caldera the crest of the Chiricahua Mountains and offers unusual moat. Stratigraphic, structural, and geochronologic data ecologic diversity that ranges from Sonoran desert through indicate that the porphyry was emplaced soon after the subalpine environments. Altitudes in the quadrangle range Rhyolite Canyon Tuff erupted and that the evolution of the from about 1,680 m (5,500 ft) in Rucker Canyon (pi. 1) to caldera, including deposition of the moat deposits was com 2,975 m (9,760 ft) at Chiricahua Peak. There are no paved pleted in less than 1 million years. roads in the quadrangle. Unpaved roads along Turkey In the Chiricahua Peak quadrangle (du Bray and Pal Creek, Rucker Canyon, and Price Canyon, located in the lister, in press), the caldera system is surrounded by, and was northwest, southwest, and southeast corners of the quadran partly emplaced into, slightly older Tertiary volcanic rocks gle, respectively, as well as a well-developed trail system and Cretaceous sedimentary rocks. Outflow tuff from the provide reasonably good access to most of the area. Turkey Creek caldera was deposited on a surface underlain This report supplements the geologic map of the by middle Tertiary volcanic (and minor volcaniclastic) Chiricahua Peak quadrangle (du Bray and Pallister, in rocks, including rhyolite ash-flow tuffs and underlying
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C1 1D9°15' 109°30' 1D9°15'
Bowie Mountain Cochise Blue South Heai) Mountai i (Drewes, 1981)
32°DD' /flrtnAtex* -1 JQ7\
Fife Peak Rustler |ARIZONA NEWMEXICO Portal (Pallister Park and du Bray, (Pallister in press) and others, in press)
Chiricahua Stanford Peak Portal Canyon (du Bray and Boundary of Peak Pallister, in press) (Bryan, 1988) Chiricahua Peak quadrangle
31°45' =r 31°45' s
Bruno ! Swede! I Apache Peak Peaks I
^-i-, - {Orewes and ' 3rooks,~1988}; r-r-^ B
Figure 1. Location of the Chiricahua Peak quadrangle and important geographic and geologic features in the Chiricahua EXPLANATION FOR GEOLOGIC MAP Mountains area, Cochise County, Arizona ON FACING PAGE Quaternary surficial deposits A, Quadrangle location, roads, and important geographic OLIGOCENE ROCKS ASSOCIATED WITH THE features. TURKEY CREEK CALDERA Moat deposits Mainly rhyolite lavas and pyroclastic rocks B, U.S. Geological Survey quadrangle names in the area and existing geological maps (cited in parentheses). Resurgent intrusion, ring dike, and extrusive equivalents Dacite and monzonite porphyty Rhyolite Canyon Tuff C (on facing page), Generalized geology (adapted from Marjaniemi, 1969). ROCKS THAT PRE-DATE THE TURKEY CREEK CALDERA Volcanic rocks Mainly Oligocene rhyolite and dacite Basement rocks Mainly Mesozoic and Paleozoic sedimentary andesitic to basaltic flow rocks (du Bray and Pallister, in rocks; includes some Precambrian granite press). These rocks are in turn underlain by sedimentary Contact rocks, including the formation of Javelina Canyon and Structural margin of Turkey Creek caldera Bisbee Group rocks. In the Chiricahua Peak quadrangle the Fault Dashed where approximately located; dotted where con formation of Javelina Canyon is composed of claystone and cealed channel-filling conglomerate. The claystone weathers reces- Streams sively and rarely crops out, whereas the conglomerate forms prominent outcrops. Clasts in the conglomerate are subangu- lar to subrounded and are composed of Bisbee Group rocks, calcarenite or calcilutite and blocky-weathering, sparsely Paleozoic formations (principally carbonate sedimentary cherty, abundantly fossiliferous limestone. rocks), and intermediate-composition volcanic rocks of The structural and topographic margins of the Turkey unknown age. Rocks of the Bisbee Group include the Cin Creek caldera are present, in part, in the Chiricahua Peak tura Formation and the Mural Limestone. The Cintura For quadrangle. The structural margin consists of the ring fault mation consists of quartz sandstone, siltstone, and shale. The system along which the floor of the developing caldera col Mural Limestone consists of ledge-forming biostromal lapsed during the eruption of the Rhyolite Canyon Tuff.
C2 Geologic Sampling of the Chiricahua Mountains, Arizona 109°30' 109C 15'
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C3 Caldera collapse caused development of a deep central ANALYTIC DATA depression in which as much as 1.5 km of intracaldera tuff accumulated. Outside the structural margin, toward the More than 210 rock samples were collected during topographic margin, the thickness of intracaldera tuff geologic mapping of the Chiricahua Peak quadrangle. decreases. The structural margin is either concealed by Energy-dispersive trace-element analyses were conducted younger deposits or has been intruded by dacite porphyry for 155 samples. Major-oxide abundances were determined throughout most of its extent. for 67 samples. Instrumental neutron activation analyses The topographic margin is denoted by the uncon were conducted for 13 samples. Abundances of CO2, FeO, F, formity between caldera fill (intracaldera tuff, wall breccia, and Cl were determined for nine samples using various wet or moat deposits) and any older rock. The topographic rim chemical methods. Abundances of Be, Cr, Ni, Pb, Sn, and retreated from the structural margin, by massive landsliding Ag in three samples were determined using a combination of into the depression that developed during caldera collapse. spectrographic and wet chemical methods. Semiquantitative In this process, large amounts of older rock exposed in the spectrographic analyses were obtained for four mineralized walls of the depression presumably calved off and become or altered samples. Most of the chemical data were used to mixed with intracaldera ash to form megabreccia and meso- aid map unit characterization. breccia. As eruption and collapse waned, a thin (<1 km) Our sample collecting was designed to provide area! interval of tuff accumulated on the older rock that had representation of the igneous rocks exposed in the quadran formed the runout surfaces and headwall scarps of the land gle. By collecting and analyzing numerous samples from slides. The headwall scarps form the topographic margin of each map unit we have established the limits of chemical the caldera and are located outside the structural margin. variability of these units. This procedure is especially impor Resurgent emplacement of dacite porphyry magma as a lac tant in sampling ash-flow tuffs, many of which are derived colith, ring dike, and lava flows created a caldera moat, from chemically zoned magma chambers (Hildreth, 1981). which subsequently filled with high-silica rhyolite. Moat Chemical data also facilitated lithologic/stratigraphic dis lavas banked against the topographic margin and locally tinctions that in several instances could not be made during overfilled the moat In particular, rhyolite lava flows along field investigations. the northeast-trending ridge of Sage Peak, in the upper All of the geochemical data presented here were deter reaches of Price Canyon, on the ridge south of Baker mined in analytical laboratories of the U.S. Geological Canyon, and on the east ridge of Dobson Peak, all in the Survey in Denver, Colo. Major oxide analyses (table 2) were southeast corner of the quadrangle (pi. 1), are interpreted as performed (analysts, J.E. Taggart, A.J. Bartel, J.S. Mee, and moat deposits that flowed across the topographic margin D.F. Siems) using X-ray fluorescence techniques (Taggart after the moat depression in this area was filled by earlier and others, 1987). Fe +:total iron as Fe2+ ratios were moat deposits. adjusted to 0.8 and major oxide abundances recalculated to 100 percent, on an anhydrous basis. Abundances of selected Besides the Turkey Creek caldera, the most prominent trace elements (table 3) were determined (by E.A. du Bray structural feature in the quadrangle is the north-northwest- and D.B. Yager) by energy-dispersive X-ray fluorescence trending horst (fig. 1C) in the southwest corner of the quad spectroscopy (Elsass and du Bray, 1982) using 109Cd and rangle. Features that suggest the basement block was high- 241 Am radio-isotope excitation sources; the accuracy of this standing following caldera collapse include wall breccia rich type of data is discussed by Sawyer and Sargent (1989). in clasts from the Bisbee Group. The last motion on the fault Abundances of selected trace elements presented in table 4 that bounds the east side of the horst postdates caldera col were determined (analysts, J.R. Budahn, R.J. Knight, and lapse and predates earliest moat magmatism, inasmuch as D.M. McKown) by instrumental neutron activation analysis this fault cuts the intracaldera tuff but is buried by moat (Baedecker and McKown, 1987). Abundances of FeO (as deposits. The northern edge of the horst, 1.5 km south of ferrous iron), CO2, F, and Cl (table 5) were determined (ana Turtle Mountain and north of Brushy Creek (pi. 1), coincides lysts, E.L. Brandt and J.D. Sharkey) by wet chemistry (Jack with an exposed segment of the structural margin (a growth son and others, 1987). Abundances of additional trace fault) of the caldera along which the intracaldera fades of the elements (table 6) were determined (analysts, C.J. Skeen and Rhyolite Canyon Tuff was deposited. The northern exten M.W. Doughten) by a combination of spectroscopic and wet sion of the basement horst is present within the caldera as chemical methods. Semiquantitative spectrographic analy two fault blocks. Offset on the horst- and graben-bounding ses (table 7) of altered or mineralized rock samples were faults indicates a pre-moat lava offset of at least 245 m based obtained (R.T. Hopkins, B.M. Adrian, and M.J. Malcolm, on the relative elevations of the top of the intracaldera facies analysts) using procedures outlined by Golightly and others Rhyolite Canyon Tuff. (1987).
C4 Geologic Sampling of the Chiricahua Mountains, Arizona REFERENCES CITED Hildreth, Wes, 1981, Gradients in silicic magma chambers Impli cations for lithospheric magmatism: Journal of Geophysical Research, v. 86, B, p. 10153-10192. Baedecker, P.A, and McKown, D.M., 1987, Instrumental neutron Jackson, L.L., Brown, F.W, and Neil, S.T., 1987, Major and minor activation analysis of geochemical samples, in Baedecker, elements requiring individual determination, classical whole P.A., ed., Methods for geochemical analysis: U.S. Geologi rock analysis, and rapid rock analysis, in Baedecker, P.A., cal Survey Bulletin 1770, p. H1-H14. ed., Methods for geochemical analysis: U.S. Geological Bryan, C.R., 1988, Geology and geochemistry of mid-Tertiary vol Survey Bulletin 1770, p. G1-G23. canic rocks in the eastern Chiricahua Mountains, southeast Marjaniemi, D.K., 1969, Geologic history of an ash-flow sequence ern Arizona: Albuquerque, N. Mex., University of New and its source area in the Basin and Range Province of south Mexico M.S. thesis, 137 p. eastern Arizona: Tucson, Ariz., University of Arizona, Ph.D. dissertation, 176 p. Drewes, Harald, 1981, Geologic map and sections of the Bowie Pallister, J.S., and du Bray, E. A., 1989, Field guide to volcanic and Mountain South quadrangle, Cochise County, Arizona: U.S. plutonic features of the Turkey Creek caldera, Chiricahua Geological Survey Miscellaneous Investigations Series Map Mountains, southeast Arizona, in Chapin, C.E., and Zidek, 1-1363, scale 1:24,000. Jiri, eds., Field excursions to volcanic terranes in the western 1982, Geologic map of the Cochise Head quadrangle and United States, volume 1 Southern Rocky Mountain region: adjacent areas, southeastern Arizona: U.S. Geological Sur New Mexico Bureau of Mines and Mineral Resources vey Miscellaneous Investigations Series Map 1-1312, scale Memoir 46, p. 138-152. 1:24,000. in press, Geologic map of the Fife Peak quadrangle, south Drewes, Harald, and Brooks, W.E., 1988, Geologic map and cross east Arizona: U.S. Geological Survey Geologic Quadrangle sections of the Pedregosa Mountains, Cochise County, Ari Map GQ-1708, scale 1:24,000. zona: U.S. Geological Survey Miscellaneous Investigations Pallister, J.S., du Bray, E.A., and Latta, J.S., IV, in press, Geologic Series Map 1-1827, scale 1:48,000. map of the Rustier Park quadrangle, southeast Arizona: U.S. du Bray, E.A., and Pallister, J.S., 1991, An ash-flow caldera in cross Geological Survey Geologic Quadrangle Map GQ-1696, section Ongoing field and geochemical studies of the Turkey scale 1:24,000. Creek caldera, Chiricahua Mountains, southeast Arizona: Pallister, J.S., du Bray, E.A., Rosenbaum, J.G., Snee, L.W., and Journal of Geophysical Research, v. 96, p. 13435-13457. Yager, D.B., 1990, Calderas in 3-D, Chiricahua Mountains, southeast Arizona, in Gehrels, G.E., and Spencer, J.E., eds., in press, Geologic map of the Chiricahua Peak quadrangle, Geologic excursions through the Sonoran Desert region, southeast Arizona: U.S. Geological Survey Geologic Quad Arizona and Sonora: Arizona Geological Survey Special rangle Map GQ-1733, scale 1:24,000. Paper 7, p. 31-40. Elsass, Francoise, and du Bray, E.A., 1982, Energy-dispersive Sawyer, D.A., and Sargent, K.A., 1989, Petrologic evolution of X-ray fluorescence spectrometry with the Kevex 7000 sys divergent peralkaline magmas from the Silent Canyon tem: Saudi Arabian Deputy Ministry Mineral Resources caldera complex, southwestern Nevada volcanic field: Jour Open-File Report USGS-OF-02-52,53 p. nal of Geophysical Research, v. 94, p. 6021-6040. Golightly, D.W., Dorrzapf, A.F., Mays, R.E., Fries, T.L., and Taggart, J.E., Jr., Lindsay, J.R., Scott, B.A., Vivit, D.V., Bartel, Conklin, N.M., 1987, Analysis of geologic materials by A.J., and Stewart, K.C., 1987, Analysis of geologic materials direct-current arc emission spectrography and spectrometry, by X-ray fluorescence spectrometry, in Baedeckert P.A., ed., in Baedecker, P.A., ed., Methods for geochemical analysis: Methods for geochemical analysis: U.S. Geological Survey U.S. Geological Survey Bulletin 1770, p. A1-A13. Bulletin 1770, p. El-E 19.
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C5 Table 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona [X, data or sample type available, blank if unavailable. WRM, whole-rock major oxide analysis (table 2); NA, neutron activation analysis (table 4); KEY, energy-dispersive trace-element analysis (table 3); TS, thin section and hand sample available; PTS, polished thin section and hand sample available; REF, reference hand sample available. Map unit symbols (in parentheses) used on Chiricahua Peak geologic map (du Bray and Pallister, in press)]
Sample WRM NA KEV Other TS PTS REF COMMENTS number data*
Rhyolite of Dobson Peak (Trdp)
201955 LAVA. 202023 LAVA.
Pyroclastic deposits of Swede Peak (Ts)
201942 202022 202024
Tuff of Monte Vista Peak (Tmtv)
201668
Rhyolite tuff (Trt)
201952 CHEMICALLY DISTINCT APHYRIC TUFF ATOP TRCO.
Aphyric rhyolite lava, unit 1 (TmM)
201538 X X X 1-5 X GLASS. 201607 X X 201618 X X X 1,2 X GLASS. 201620 X X X 1,2 X GLASS. 201622 X 201667 X X 201669 X 201943 X 201944 X 201951 X 201953 X X 201956 X 201957 X 201958 X 201967 X 201986 X 202017 X X 202021 X 202025 X 202031 X 202046 X X 202051 X X ALTERED FLOW BRECCIA. 202073 X X X GLASS. 202074 X
C6 Geologic Sampling of the Chiricahua Mountains, Arizona Table 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Sample URM NA KEV Other TS PTS REF COMMENTS number data*
Aphyric rhyolite lava, unit 1 (TrnrO- -Continued
202077 X 202081 X 202083 X 202085 X 202087 X P232A X X X P232B XXX X GLASS OF P232A. P233 X X X P291 X X P295A X P531A X DEVITRIFIED, ALTERED. P531B X GLASSY. P532 X P533 X X P544 X P552 X P553A X GLASS. P557 X GLASS. P601 X GLASS. P602 X P604 X X P608 X
Aphyric rhyolite tuff, unit 1 (TmtD
202079 X ALTERED CHEMISTRY.
Trachyte porphyry lava (Ttp)
201941 X X X 201950 X X X 202020 X
Sedimentary rocks (Tins)
P276 X P282 X SANDSTONE IN MASSIVE INTRACALDERA CONGLOMERATE. P295B X TRCI CLASTIC BRECCIA. P553B X FINE-GRAINED SANDSTONE BETWEEN TDPI AND TMR1.
Dacite and monzonite porphyry, resurgent intrusion (Tdpi)
201523 XXX 1,2 X 201524 XXX 1,2 201587 XXX 3,4,5 X T8-18*. 201623 XXX X 201985 X X X 202048 X X X 202049 X 202065 X X X
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C7 Table 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Sample URM NA KEV Other TS PTS REF COMMENTS number data*
Dacite and monzonite porphyry, resurgent intrusion (Tdpi)-- Continued
202066 X X 202072 X P296D P470 X X X 3,5 X SAME SITE AS 201623; T8-24T . P5800 X MIAROLITIC. P589 X BIOTITE-BEARING TDPI. P596 X X X APLITE; ODD CHEMISTRY.
Dacite porphyry lava flows, east ring (Tdpl)
201554 X 201558A 6 CD-STAINED? 201558B X 201558C X MIAROLITIC 2015580 X DACITE PORPHYRY BRECCIA WITH QUARTZ VEINS. 201617 X X 202069 X X 202076 X 202078 X X 202080 X 202086 X
Dacite porphyry lava flows, Rucker Lake mass (Tdpl)
201606 X X 201959 X 201965 X X X 201966 X X 201966A X MEDIUM-GRAINED INCLUSION. 201966B X FINE-GRAINED INCLUSION. 201966C X GLASS.
Dacite porphyry lava flows, Rucker Canyon mass (Tdpl)
201665 X 201968 X X X 201969 X
Dacite porphyry lava flows. Sycamore Canyon mass (Tdpl)
201978 X X X 201980 X X GLASS; SLIGHTLY ALTERED CHEMISTRY. 201981 X P302A X P302B X VERY FINE-GRAINED GROUNDMASS PORPHYRY. P303 X VESICULAR PORPHYRY. P304 X OXIDIZED TDPL.
C8 Geologic Sampling of the Chiricahua Mountains, Arizona Table 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Sample WRM NA KEV Other TS PTS REF COMMENTS number data*
Dacite porphyry lava flows, John Long Canyon mass (Tdpl)
202040 X X X P588 X X X ODD, ALTERED CHEMISTRY.
Caldera topographic wall breccia (Tub)
P547 X X TRCI WITH SANDY MATRIX; REFERENCE SAMPLE IS A SLAB.
Ash- rich sandstone (Tas)
202207 X P579 X ASHY SANDSTONE. P582 X ASHY SANDSTONE. P584A X ASHY SANDSTONE.
Rhyolite Canyon Tuff, lava- 1 ike phase (Trcf)
201670A X X X 1,2 X TUFFACEOUS. 2016708 X X X 1,2 X RESEMBLES LAVA. 201671 X X X 1,2 X RESEMBLES LAVA. 201976 X X X ALTERED MAJOR OXIDES. 201977 X X X ALTERED MAJOR OXIDES. 201984 X X X RESEMBLES LAVA. P578 X X X P580A X GLASSY. P580C X P584B X P585 X
Rhyolite Canyon Tuff, upper member outflow facies (Trco)
201949 X X X UPPER MEMBER? 202014 X 202026 X X JUST BELOW UPPER AIRFALL; ODD CHEMISTRY. 202027 X X P574 X X
Rhyolite Canyon Tuff, outflow facies, undivided (Trco)
201948 X X X 202013 X ODD TRACE ELEMENT CHEMISTRY; BIOTITE RICH. 202015 X X
Rhyolite Canyon Tuff, outflow facies, basal member (Trco)
201666 X X 201945 X X X 201946 X X X
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C9 Table 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Sample URM NA KEV Other TS PTS REF COMMENTS number data*
Rhyolite Canyon Tuff, outflow facies, basal member (Trco)-- Continued
201947 X X X 202012 X 202016 X X 202028 X X 202029 X X 202030 X X P575 X X P576 X X
Rhyolite Canyon Tuff, intracaldera facies (Trci)
201608 X X ALTERED. 201619 X X 201621 X TRCI? 201624 X X 201756 X X 201918 X X 201919 X X RESEMBLES LAVA. 201920 X X RESEMBLES LAVA; REFERENCE. SAMPLE IS A SLAB. 201971 X 201972 X BRECCIA BETWEEN TRCI PULSES. 201973 X X X 201974 X 201975 X X 201979 X X X 201983 X X 202039 X X X 202047 X X 202050 X 202052 X ALTERED, FRACTURED. 202053 X X X 202054 X RECRYSTALLIZED; ABOVE TDPI. 202067 X 202070 X X X RECRYSTALLIZED, ALTERED. 202071 X X 202075 X 202084 X 202134 X X RECRYSTALLIZED TRCI WITHIN TDPL. P292 X P294 X TRCI COBBLE IN MOAT RHYOLITE. P296A X X X 1,2 X P296B X PINK VARIETY OF P296A. P296C X DACITE PORPHYRY TEXTURALLY TRANSITIONAL TO TRCI. P300A X RESEMBLES LAVA. P300B X P308 X RESEMBLES LAVA; DENSELY WELDED P309A X X SPATTER FED? P590A X RECRYSTALLIZED; ABOVE TDPI. P590B X FUSED, GLASSY TRCI ABOVE TDPI. P591 X X X TRCI HORNFELS; ALTERED CHEMISTRY. P597 X X TRCI WITH CLOTS; REFERENCE SAMPLE IS A SLAB. P600 X X X P600B X MAFIC FIAMME BLEB.
C10 Geologic Sampling of the Chiricahua Mountains, Arizona Table 1 . Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Sample URM NA KEV Other TS PTS REF COMMENTS number data*
Volcanic and volcaniclastic rocks of Pothole Canyon, volcanic sandstone member (Tpcs)
202009 X X QUARTZ- FELDSPAR SANDSTONE; REFERENCE SAMPLE IS SILTSTONE.
Volcanic and volcaniclastic rocks of Pothole Canyon, basaltic trachyandesite member (Tpca)
202011 X X X
Rhyolite lava (Trl)
202008 X X UNKNOWN APHYRIC RHYOLITE LAVA.
Tuff of Horseshoe Canyon (The)
201940 X 201954 X X 201954A X CONTAINS DISTINCTIVE BIOTITE. 201962 X X 202010 X X P540 X P540B X HEMATITE SANDSTONE MATRIX TO BRECCIA.
Rhyolite of Joe Glenn Ranch (Tjl)
201939 X X X ALTERED, CONTAINS CALCITE. 201960 X X QUARTZ-SANIDINE-BIOTITE TUFF. 202041 X BIOTITE-QUARTZ-SANIDINE RHYOLITE TUFF. 202042 X X X CRYSTAL- RICH UPPER PART. P538 X X X
Rhyolite tuff of High Lonesome Canyon (Thl)
202038 X X X 202195 X X
Faraway Ranch Formation, volcanic rocks (Tfv)
201961 X X X MAJOR OXIDE ABUNDANCES ALTERED; CONTAINS CALCITE. 201963 X X APHYRIC ANDES I TE LAVA. 202037 X X X
Rhyolite dikes (Tr)
201938 X X QUARTZ-PORPHYRY RHYOLITE DIKE. P548 X X X X RHYOLITE(?) DIKE IN TDPL; REFERENCE SAMPLE IS A SLAB. P556 X X X QUARTZ-SAN ID I NE RHYOLITE DIKE IN BISBEE GROUP ROCKS.
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C11 Table 1. Status and treatment of samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Sample WRM NA KEV Other TS PTS REF COMMENTS number data*
Bisbee Group sedimentary rocks (Kb)
201964 X CINTURA SANDSTONE. 201970 X LITHIC CINTURA SANDSTONE. P537 X FOSSILI FERGUS LIMESTONE.
Mineralized rocks and quartz veins
P549 6 QUARTZ VEIN IN TDPL. P550 6 Do. P555 6 QUARTZ VEIN IN MURAL LIMESTONE.
Miscellaneous
201555 X X SAN ID I NE PEGMATITE? 201556 X FELDSPAR-RICH GRANITOID FROM NORTH SIDE OF CIMA CREEK. 201557 X X Do. P542A X UNKNOWN, ALTERED(?) QUARTZ-SANIDINE TUFF, RED VARIANT. P542B X UNKNOWN, ALTERED(?) QUARTZ-SANIDINE TUFF, GRAY VARIANT. P560 X GRANITOID INCLUSION IN TDPI. P599 X Do. DY8814 X MIXED DACITE PORPHYRY AND RHYOLITE CANYON TUFF.
Other geochemical data, identified by following codes: 1. Ferrous iron and carbon dioxide analyses (table 5). 2. Fluorine and chlorine analyses (table 5). 3. Miscellaneous trace element analyses (Be, Cr, Ni, Pb, Sn, and Ag; table 6). 4. uAr/ Ar isotope analyses, on sanidine, by L.W. Snee (U.S. Geological Survey, unpub. data). 5. Oxygen and lead isotope analyses by R.A. Ayuso (U.S. Geological Survey, unpub. data). . 6. Semiquantitative spectrographic analysis (table 7). T Number of sample collected at same locality for paleomagnetic studies. See Pal lister and du Bray (1989) for discussion of paleomagnetic data (J.G. Rosenbaum, U.S. Geological Survey, unpub. data).
C12 Geologic Sampling of the Chiricahua Mountains, Arizona Table 2. Major oxide analyses for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona [Data in weight percent. Fe2+/total iron (as FeO) adjusted to 0.8 and abundances normalized to 100 weight percent, anhydrous. Map unit symbols above data columns match those shown on the Chiricahua Peak geologic map (du Bray and Pallister, in press) and are defined in table 1. LOI, loss on ignition; ND, not detected. X-ray fluorescence spectroscopy, J.E. Taggart, AJ. Bartel, I.S. Mee, and D.F. Siems, analysts]
Map unit Treb Ts Tmr1 Sample No. 201955 202023 202022 201538 201618 201620 202046 202051
SiO? 76.21 76.93 78.13 76.47 76.38 76.20 79.68 75.38 F!""- 13.01 12.54 11.73 12.92 13.03 12.91 10.57 12.87 .28 .26 .24 .27 .26 .27 .29 .26 Feu - 1.02 .92 .85 .98 .94 .98 1.06 .92 MgO ND ND .12 .13 .19 .20 .12 .12 CaO - .40 .45 .63 .61 .80 .64 .18 .06 Na20 3.98 3.92 3.02 4.11 4.30 3.94 2.38 .86 K26 4.94 4.77 5.10 4.29 3.88 4.63 5.55 9.27 TlO., .11 .11 .13 .18 .18 .18 .14 .20 P20| ND ND ND ND ND ND ND .06 MnO - .06 .09 .05 .05 .05 .05 .02 ND LOI .54 .39 1.05 4.23 4.45 4.00 .82 .90
Map unit TmM TtD Tdoi Sample No. 202073 P232A P232B P233 201941 201950 201523 201524
SiO? 77.20 76.65 77.11 77.22 67.54 60.46 63.75 63.19 12.49 12.69 12.59 12.31 15.48 16.50 15.55 15.75 Ji«:: .27 .26 .25 .26 .76 1.29 1.16 1.18 Feo - .97 .95 .89 .92 2.73 4.63 4.16 4.23 MgO .16 .16 .17 .15 1.15 2.16 1.83 1.88 CaO- .67 .19 .71 .17 .93 3.99 3.51 3.61 Na~0 4.57 3.61 4.64 3.63 4.38 4.48 3.84 3.82 K26 3.44 5.21 3.38 5.08 6.03 4.73 4.53 4.61 TTO- .16 .18 .18 .18 .78 1.20 1.16 1.19 P20| ND ND ND ND .19 .45 .39 .42 MnO- .06 .09 .07 .07 .04 .11 .11 .12 LOI 5.10 .54 5.10 .32 1.39 1.62 1.61 1.79
Map unit Tdoi Sample No. 201587 201623 201985 202048 202065 202066 P470 P596
SiO? 65.10 63.01 67.00 64.79 65.90 63.99 63.54 70.14 15.21 15.75 15.18 16.20 15.32 15.59 15.58 14.54 Ji*:: 1.01 1.16 .85 .95 .97 1.12 1.14 .63 FeO- 3.62 4.17 3.07 3.42 3.49 4.05 4.12 2.26 MgO 1.59 1.99 1.10 1.25 1.66 1.62 2.03 .59 CaO 3.01 3.65 2.49 1.92 2.34 3.25 3.23 1.63 Na?0 4.07 3.83 3.83 4.36 3.54 4.03 3.96 3.70 K26 4.96 4.75 5.32 5.75 5.41 4.80 4.78 5.76 TiCy-- .98 1.13 .78 .90 .96 1.06 1.12 .55 P^OK"-" .35 .42 .29 .33 .33 .39 .40 .14 MnO- - - - .10 .14 .08 .13 .08 .10 .10 .06 LOI- .36 1.53 1.47 1.36 1.79 .70 1.46 .99
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C13 Table 2. Major oxide analyses for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Map unit TdDl Trcf Sample No. 201965 201968 201978 202040 202069 P588 201670A 201670B
Situ 63.49 65.49 65.51 65.04 64.79 65.75 76.82 78.55 Al^-- 15.32 15.42 16.28 15.59 15.52 16.62 11.87 10.99 3ft" 1.19 .96 .92 1.10 .97 1.12 .33 .35 4.28 3.47 3.32 3.95 3.49 4.04 1.19 1.27 MgO--- 1.63 1.68 .38 1.25 1.09 1.40 .14 .17 CaO---- 3.01 2.86 .55 2.99 2.44 .70 .04 .05 Na?0--- 2.13 3.94 3.73 3.91 2.89 2.12 1.06 1.26 K 5- - - - 7.40 4.90 7.94 4.75 7.45 7.32 8.36 7.16 Tl02--- 1.06 .88 .94 1.01 .89 .66 .18 .16 P-Oc"" .39 .33 .35 .37 .36 .21 ND ND MnO---- .10 .06 .07 .05 .10 .05 ND .03 LOI---- 4.00 1.63 1.31 1.76 2.40 2.43 .86 .97
Map unit Trcf Trco. uooer member Sample No. 201671 201976 201977 201984 P578 201949 202026 202027
SiO~--- 76.87 79.82 80.98 78.13 75.19 76.22 79.29 75.28 Je2^-- 11.79 10.47 10.49 11.45 12.31 12.35 11.45 12.89 .36 .21 .23 .40 .47 .44 .33 .46 Feo---- 1.30 .75 .84 1.44 1.69 1.60 1.19 1.67 MgO---- .17 ND .19 ND .15 .25 .22 .21 CaO---- .06 ND .21 ND .05 .38 .25 .62 Na?0--- .77 .23 ND 3.28 1.18 3.83 2.02 3.00 K26 - 8.48 8.39 6.88 5.11 8.70 4.68 5.12 5.53 Ti02--- .18 .13 .13 .18 .22 .20 .13 .23 PjOc--- ND ND .05 ND ND ND ND .07 MnO---- ND ND ND ND .03 .05 ND .04 LOI---- 1.04 .68 1.95 .30 .52 .41 1.98 2.19
Map unit Trco. basal member Trci Sample No. 201948 201945 201946 201947 202028 202029 202030 201756
Situ--- 77.40 76.31 77.49 76.83 77.29 77.35 80.70 77.99 Fe2^-- 11.98 12.89 11.45 12.11 11.81 11.71 10.40 11.79 .36 .33 .33 .41 .34 .33 .33 .33 Feo---- 1.28 1.19 1.20 1.47 1.22 1.20 1.20 1.19 MgO---- ND ND ND ND .10 ND .11 .17 CaO-?-- .24 .07 .02 .02 .11 .03 .05 .37 Na?0--- 3.61 2.70 1.84 2.31 1.83 2.12 .56 3.34 4.98 6.37 7.52 6.69 7.13 7.11 6.51 4.64 .10 .10 .10 .11 .10 .10 .09 .18 fe ND ND ND ND ND ND ND ND MnO=--- .05 .04 .05 .06 .05 .04 .05 ND LOI---- .49 1.06 .39 .71 1.16 .49 2.65 .72
C14 Geologic Sampling of the Chiricahua Mountains, Arizona Table 2. Major oxide analyses for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Map unit Trci Sample No. 201973 201979 202039 202047 202053 202070 202071 P296A
SiOk 76.40 75.71 75.79 75.64 74.63 74.36 76.50 74.52 A12O»-- 12.68 12.62 12.72 12.88 13.00 13.31 12.36 13.03 Fe2O>-- .43 .47 .47 .47 .47 .51 .44 .46 Feo---- 1.55 1.71 1.71 1.68 1.69 1.84 1.59 1.66 MgO - .16 .24 NO .14 .34 .31 .20 .31 CaO - .20 .22 .16 .14 .60 .42 .32 .39 Na?0 2.95 3.47 3.41 3.43 3.65 3.68 3.05 3.81 K26 - 5.40 5.20 5.49 5.32 5.27 5.14 5.30 5.50 Tl02 .21 .25 .25 .26 .26 .29 .21 .27 PpOr " " " NO .07 NO NO NO .08 NO NO MnO - NO .03 NO .04 .08 .06 .04 .05 LOI- 1.57 1.06 .94 .94 1.06 .80 .95 .92
Map unit Trci Tpca Til Thl Tfv Sample No. P591 P600 202011 201939 202042 P538 202038 201961
SiO., 72.83 75.91 58.04 71.07 72.84 74.99 76.21 53.24 13.55 12.72 16.41 13.65 15.17 14.50 12.88 17.60 JiA:: .59 .46 1.46 .39 .51 .42 .26 1.77 FeO---- 2.11 1.65 5.24 1.41 1.84 1.51 .94 6.37 MgO .51 NO 4.00 .50 .59 .66 .42 3.77 CaO - .81 .06 6.33 3.57 .75 .31 2.33 8.60 Na20 3.78 3.92 3.46 1.69 2.38 2.21 .87 3.87 K26 5.20 5.00 3.05 7.27 5.45 5.03 5.90 3.43 Ti02 .41 .25 1.32 .26 .35 .28 .14 .95 P2o5 .13 NO .56 .08 .09 .08 NO .29 MnO - .08 .03 .13 .09 .03 NO .05 .12 LOI - .55 .46 2.61 3.93 2.60 2.66 5.10 8.37
Map unit Tfv Tr Sample No. 202037 P548 P556
SiOp 59.78 74.85 76.10 A1263" 17.59 13.54 12.63 1.61 .30 .15 »*:: 5.81 1.08 .54 MgO - 2.64 .35 NO CaO - 4.30 .20 .04 Na20 4.18 2.00 .46 2.67 7.54 9.85 T? 1.03 .14 .22 P-0---- .37 NO NO MnO- - - - .03 NO NO LOI- 3.05 .98 .72
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C15 Table 3. Trace element data for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona [Data in parts per million. Map unit symbols match those on the Chiricahua Peak geologic map (du Bray and Pallister, in press) and are defined in table 1. ND, not detected. Energy-dispersive X-ray fluorescence; E.A. du Bray and D.B. Yager, analysts]
Map unit Trdo Ts Tmtv Trt Tmr1 Sample No. 201955 202023 201942 202022 202024 201668 201952 201538 Zn - 51 45 80 58 91 178 83 132 Rb 682 601 347 413 421 284 607 451 Sr 16 14 68 22 26 35 29 31 Y -- 91 110 55 4.O £J\ 64 40 70 Zr - 167 157 190 159 152 249 161 226 Nb - 82 76 38 43 47 51 82 39 Pb - 78 48 50 44 66 43 62 42 Th - 108 90 49 64 71 43 87 60 Ba - 6 21 179 61 35 89 32 81 La 58 49 57 57 61 44 20 79 Ce - 117 112 123 112 110 118 47 162 Nd - 39 29 43 46 42 48 8 74
Map unit Tmr1 Sample No. 201607 201618 201620 201667 201669 201943 201944 201951 Zn---- 62 58 53 75 25 41 84 66 Rb 581 406 375 340 278 276 398 304 Sr 48 33 31 31 25 22 29 27 Y / O 67 67 52 49 51 91 fJL Zr- 199 234 236 228 198 161 227 219 Nb 32 41 41 44 35 32 41 36 Pb 34 47 48 44 39 31 39 47 Th - 57 53 62 57 52 49 60 56 Ba - 105 72 77 78 63 64 89 69 La 66 82 83 79 56 61 83 71 Ce 103 161 157 148 136 120 165 134 Nd---- 43 69 72 62 46 46 84 66
Map unit Tmr1 Sample No. 201953 201956 201957 201958 201967 201986 202017 202021 Zn - 50 59 53 78 57 53 55 56 Rb 413 232 363 376 348 286 508 363 Sr - 38 26 34 35 34 25 34 41 Y -- 61 39 oo 65 64 51 75 70 Zr- 227 180 244 242 239 171 223 226 Nb - 41 32 45 46 46 35 45 36 Pb - 65 25 54 59 49 34 53 70 Th - 56 47 58 57 63 69 46 59 Ba- 96 57 88 85 84 61 120 106 La - 74 44 71 82 84 58 88 80 Ce - 161 119 158 158 153 116 179 169 Nd - 62 44 48 60 70 43 58 55
Map unit Tmr1 Sample No. 202025 202031 202046 202051 202073 202074 202077 202081 Zn - 85 77 98 65 97 64 63 84 Rb 314 348 338 593 334 350 350 348 Sr- 29 21 25 29 34 32 30 37 Y- - 49 70 59 62 79 54 52 78 Zr - 238 239 201 226 223 227 221 230 Nb- 41 44 33 35 48 45 39 40 Pb 68 55 49 51 67 57 39 45 Th 57 64 56 51 52 57 56 44 Ba - 62 90 76 172 56 72 72 89 La- 79 79 93 75 52 62 50 88 Ce 151 162 153 149 122 163 184 173 Nd 52 73 70 59 45 43 40 57 C16 Geologic Sampling of the Chiricahua Mountains, Arizona Table 3. Trace element data for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Hap unit Tmr1 Sample No. 202083 202085 202087 P232A P232B P233 P531A P532 Zn---- 68 66 71 81 108 104 25 63 Rb- 294 293 334 296 350 298 219 349 Sr---- 26 32 34 30 26 29 20 35 y 35 30 45 73 73 72 42 67 Zr---- 232 215 222 244 218 253 185 243 Nb---- 35 33 43 57 55 55 36 44 Pb---- 48 36 38 34 47 38 64 46 Th---- 46 44 46 58 47 54 54 63 Ba---- 76 72 103 71 52 78 48 84 La---- 68 61 82 66 56 49 46 86 Ce---- 145 152 176 128 117 124 86 144 Nd---- 28 47 67 60 51 57 38 68
Nap unit Tmr1 Tmt1 TtD Sample No. P533 P544 P552 P602 P604 P608 202079 201941 Zn---- 62 61 76 103 101 80 92 161 Rb---- 353 545 352 340 294 335 224 205 Sr - 35 37 34 35 101 29 268 88 Y -- 63 71 52 32 76 64 52 67 Zr---- 224 219 232 241 237 229 293 943 Nb---- 43 28 48 39 43 38 35 36 Pb---- 54 52 61 66 51 48 38 39 Th---- 64 55 63 43 28 57 35 17 Ba---- 87 104 84 86 138 85 405 201 La---- 83 62 62 72 55 83 64 99 Ce---- 161 134 140 126 146 174 135 175 Nd---- 65 44 45 56 55 52 85 84
Map unit TtD Tdbi Sample No. 201950 202020 201523 201524 201587 201623 201985 202048 Zn---- 131 113 108 127 123 99 106 74 «* 167 216 167 172 206 167 211 177 Sr---- 324 125 253 279 238 269 176 184 Y 59 65 46 43 48 45 58 / O Zr---- 671 903 452 481 494 511 518 651 Nb---- 30 33 24 26 23 25 28 28 Pb---- 66 43 42 57 61 46 39 48 Th---- 8 14 30 25 38 32 31 14 Ba---- 528 229 749 744 768 733 675 800 La---- 74 94 75 81 80 84 103 98 Ce---- 149 175 151 146 162 153 182 182 Nd---- 76 90 71 67 75 68 82 73
Map unit Tdoi Idol. east ring Sample No. 202049 202065 202066 202072 P470 P596 201554 201558B Zn---- 106 91 129 103 94 96 101 101 Rb---- 130 251 175 215 172 271 183 204 Sr - 235 224 263 160 243 129 199 201 Y -- 50 47 58 45 45 .00 49 45 Zr---- 616 494 463 532 486 503 502 488 Nb---- 23 28 21 25 23 25 28 24 Pb---- 15 34 28 37 38 31 46 42 Th---- 14 27 14 32 21 30 38 28 Ba---- 811 855 925 790 818 567 748 689 La---- 78 98 95 76 83 121 78 85 Ce---- 173 160 167 167 157 190 151 155 Nd---- 77 75 76 61 66 90 68 76
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C17 Table 3. Trace element data for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Hap unit Tcfol. east ring Tctol. Rucker Lake Sample No. 201617 202069 202076 202078 202080 202086 201606 201959 Zn---- 99 102 89 58 103 100 97 105 Rb 188 322 177 194 176 200 414 322 Sr---- 267 205 228 275 262 208 168 248 Y- 52 49 48 60 49 44 52 54 Zr---- 400 552 487 397 489 505 491 479 Nb---- 29 24 25 28 25 27 23 27 Pb---- 45 29 54 23 36 28 48 49 Th---- 35 14 30 33 29 14 28 34 Ba 877 895 800 1010 920 789 739 819 La 60 79 97 65 82 88 79 88 Ce---- 129 179 165 135 167 175 153 151 Nd---- 66 66 80 61 65 73 71 69
Map unit Idol. Rucker Lake Tdol. Rucker Canyon Tdol. Sycamore Canyon Sample No. 201965 201966 201665 201968 201969 201978 201980 201981 Zn---- 124 94 106 101 122 137 89 118 Rb---- 399 186 246 190 187 332 170 161 Sr---- 149 238 190 224 240 114 490 158 Y----- 45 54 45 47 47 57 66 54 Zr---- 494 503 503 509 516 691 371 654 Nb---- 29 26 29 30 25 24 43 32 Pb---- 57 37 52 57 47 55 50 46 Th---- 36 35 36 22 32 32 48 28 Ba---- 845 799 684 767 740 858 890 760 La---- 79 95 85 93 78 104 96 98 Ce---- 145 160 156 168 153 172 32 179 Nd---- 64 66 75 73 74 81 72 87
Hap unit Idol. John Long Trcf Sample No. 202040 P588 201670A 201670B 201671 201976 201977 201984 Zn---- 69 71 68 82 88 37 37 50 Rb---- 180 494 579 451 598 497 506 305 Sr---- 260 137 27 27 27 28 55 31 Y----- 47 45 65 67 71 63 67 60 Zr---- 490 193 369 352 349 294 301 387 Nb---- 24 14 40 45 49 45 41 44 Pb---- 39 41 32 40 48 73 41 53 Th---- 29 32 54 42 58 64 50 71 Ba---- 860 1002 82 112 69 207 352 42 La 95 61 102 112 79 70 66 100 Ce---- 165 68 166 184 143 149 150 180 Nd---- 72 50 72 87 64 68 55 77
Hap unit Trcf Trco. upper member Trco. undivided Sample No. P578 201949 202014 202026 202027 P574 201948 202013 Zn---- 104 95 105 116 117 88 119 34 Rb---- 545 283 297 341 305 224 424 460 Sr---- 30 68 52 31 60 58 21 41 Y----- 60 60 61 46 59 55 83 37 Zr---- 457 326 365 265 396 334 290 393 Nb---- 41 42 38 44 41 32 63 24 Pb---- 37 63 52 49 40 38 46 38 Th- 31 63 52 63 57 36 59 38 Ba---- 98 116 146 44 92 106 14 401 La---- 94 108 101 62 120 111 68 69 Ce---- 222 172 185 66 235 237 144 94 Nd--- 76 85 93 43 98 92 61 62
C18 Geologic Sampling of the Chiricahua Mountains, Arizona Table 3. Trace element data for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Map unit T rco.und. Trco. basal member Sample No. 202015 201666 201945 201946 201947 202012 202016 202028 Zn---- 105 87 89 101 64 98 93 83 Rb---- 416 520 545 645 595 524 649 581 Sr---- 40 21 28 25 22 20 26 26 Y-- 73 76 oo 70 73 77 07 xo Zr---- 242 291 293 282 304 285 278 276 Nb---- 48 61 65 59 61 57 58 56 Pb---- 45 47 77 58 44 51 31 49 Th---- 58 64 83 48 71 62 58 53 Ba---- 57 45 28 69 41 46 60 65 La- 47 58 42 20 11 66 57 28 Ce---- 112 134 125 85 108 132 128 116 Nd---- 56 57 34 30 8 55 63 28
Hap unit Trco. basal member Trci Sample No. 202029 202030 P575 P576 201608 201619 201624 201756 Zn---- 104 96 87 111 63 90 101 74 Rb- 591 559 575 630 466 255 493 273 Sr 26 18 23 18 29 27 49 54 Y -- 77 0y 80 76 59 57 67 57 Zr---- 269 258 294 297 217 462 367 299 Nb---- 56 60 61 60 29 45 41 40 Pb---- 35 65 60 54 136 62 47 15 Th---- 54 56 58 58 47 65 61 40 Ba - 46 17 35 48 151 46 132 91 La---- 44 28 31 16 40 110 99 87 Ce---- 94 81 147 152 83 227 185 173 Nd---- 26 17 41 25 31 81 87 67
Hap unit Trci Sample No. 201918 201919 201971 201973 201974 201975 201979 201983 Zn---- 69 76 100 105 91 81 95 85 Rb - 326 301 467 286 382 482 304 271 Sr 32 21 37 36 40 55 46 41 Y----- 71 64 55 56 77 Of. Ov Zr---- 330 434 449 425 346 352 364 470 Nb---- 39 48 38 45 44 48 46 44 Pb---- 43 38 55 59 59 59 44 46 Th---- 50 55 66 59 58 56 52 61 Ba---- 115 34 98 45 87 130 172 103 La - 85 102 90 92 58 130 99 139 Ce---- 214 214 245 199 161 189 173 262 Nd---- 71 79 75 70 62 90 77 107
Hap unit Trci Sample No. 202039 202047 202050 202052 202053 202067 202070 202071 Zn---- 82 71 90 142 78 108 87 71 Rb 238 263 577 601 250 295 322 279 Sr 27 34 30 50 60 30 59 47 Y DO 54 55 65 59 58 oo 59 Zr---- 463 502 383 474 453 381 377 384 Nb---- 35 43 34 36 40 51 49 37 Pb---- 30 27 28 23 53 56 30 33 Th---- 36 34 14 38 45 52 41 38 Ba---- 67 44 102 165 73 59 266 79 La---- 132 107 131 142 120 88 84 109 Ce---- 258 217 224 222 251 158 178 229 Nd---- 114 85 83 120 91 54 75 80
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C19 Table 3. Trace element data for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona Continued
Hap unit Trci Toca Trl The Sample No. 202075 202084 P296A P591 P600 202011 202008 201940
Zn---- 95 83 80 121 70 109 72 83 Rb---- 243 252 269 271 277 107 678 532 Sr---- 34 26 37 84 18 540 26 30 Y----- 59 56 60 42 54 40 55 52 Zr---- 400 484 484 395 447 298 149 216 Nb---- 42 46 45 47 43 22 48 34 Pb - 35 31 38 45 58 39 50 49 Th---- 47 54 64 37 45 14 98 45 Ba 53 22 67 329 57 849 75 102 La---- 124 196 93 64 151 73 106 49 Ce---- 223 326 191 172 246 115 152 88 Nd---- 92 120 77 45 113 49 86 35
Hap unit The Til Sample No. 201954 201962 202010 P540 201939 201960 202042 P538
Zn---- 41 82 70 25 76 33 84 56 Rb---- .484 574 661 592 369 296 208 310 Sr---- 45 32 39 27 296 93 140 135 Y -- 42 51 66 40 37 36 45 39 Zr---- 152 149 154 140 171 158 211 182 Nb---- 27 32 48 30 10 18 17 12 Pb---- 39 30 44 37 29 ND 42 32 Th---- 52 54 64 51 35 28 30 41 Ba---- 74 100 89 44 1183 707 945 794 La---- 31 24 51 26 52 30 48 60 Ce---- 60 47 94 50 98 50 129 112 Nd---- 26 23 35 25 30 36 48 46
Hap unit Thl Tfv Tr Sample No. 202038 202195 201961 201963 202037 201938 P548 P556
Zn---- 67 48 100 85 121 66 ND 51 Rb---- 260 201 165 118 69 507 492 483 Sr---- 54 262 488 452 752 76 135 267 Y - 84 35 25 29 29 51 43 61 Zr---- 109 97 186 169 199 233 136 243 Nb---- 23 16 9 17 15 39 17 46 Pb---- 41 23 53 64 24 84 59 64 Th---- 52 14 8 18 14 54 88 49 Ba---- 171 465 742 727 1083 669 622 326 La---- 34 34 31 38 33 51 49 125 Ce---- 68 53 70 70 73 89 99 230 Nd---- 25 10 37 33 43 38 45 82
Map unit Miscellaneous Sample No. 201555 201557 P542A P542B
Zn---- 82 59 25 62 Rb - 139 169 267 405 Sr - 79 300 18 18 Y----- 37 18 51 65 Zr---- 1115 131 278 263 Nb---- 18 9 64 61 Pb---- 44 15 36 41 Th---- 9 9 70 72 Ba---- 403 799 22 34 La---- 62 31 65 15 Ce---- 112 65 113 54 Nd---- 52 30 57 21
C20 Geologic Sampling of the Chiricahua Mountains, Arizona Table 4. Instrumental neutron activation data for selected samples collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona [Data in parts per million. Map unit symbols above data columns match those used on the Chiricahua Peak geologic map (du Bray and Pallister, in press) and are defined in table 1. ND, not detected. J.R. Budahn, R.J. Knight, and D.M. McKown, analysts]
Map unit Tmr1I Tcfc)i Sample No. 201538 201618 201620 P232B 201523 201524 201587 201623
Ba- 85.1 73.0 94.9 68.2 857 835 811 745 Sr---- 12.4 NO ND NO 293 303 257 232 Co .398 .351 .401 .335 11.3 12.4 9.240 11.6 Ni 7.46 4.17 4.70 5.90 19.3 24.9 ND 24.4 Cr---- .320 NO NO .664 10.8 13.0 6.48 13.5 Cs---- 14.7 14 22.8 6.42 4.07 3.82 4.63 3.33 Hf---- 8.02 7.45 8.01 8.78 12.0 11.7 11.9 10.7 Rb---- 458 383 385 350 166 164 189 164 Sb---- .225 .220 .222 .100 .221 .157 .147 .254 Ta---- 3.64 3.41 3.64 3.94 2.05 2.03 2.07 1.81 Th---- 39.9 37.7 39.8 33.4 23 22.4 26.2 19.1 jfC L OA u----- 9.01 8.OD 9.27 6.49 H .TO 4.81 5 . oyAO 3.37 Zn---- 119 53.5 56.8 84.9 87.5 83.6 73.9 76.5 Zr---- 261 254 261 271 530 518 500 463 Sc---- 2.67 2.51 2.62 2.04 10.9 11.5 9.11 10.7 La---- 75.3 71 74 49.9 82.2 78.7 81.9 72.2 Ce---- 165 154 166 119 182 175 180 156 Nd---- 65.4 57.8 61.2 52.2 74.7 71.4 73.3 59.6 Sm---- 11.4 10.1 10.7 11.5 12.9 12.8 12.7 9.70 Eu---- .477 .459 .488 .533 2.17 2.20 1.86 2.05 Gd---- 10.1 10.9 10.1 12.1 10.2 10.2 10.4 8.81 Tb---- 1.72 1.64 1.73 2.02 1.50 1.43 1.44 1.34 Tm---- 1.17 1.19 1.19 1.27 .818 .769 .757 .687 Yb---- 7.52 7.25 7.48 7.84 4.98 4.70 4.71 4.23 Lu---- 1.10 1.01 1.04 1.11 .762 .702 .680 .613
Hap unit Tdpi Trcf Trci Sample P470 201670A 201670B 201671 P296A
Ba---- 784 75.8 125 52.6 81.7 Sr---- 231 NO ND ND ND Co---- 11.2 .270 .220 .254 .595 Ni---- 11 NO ND NO ND Cr---- 11.5 NO 1.10 .980 ND Cs---- 3.47 7.89 5.94 8.72 7.97 Hf---- 11.3 11 10.7 11.7 14.1 Rb---- 167 567 457 617 274 Sb---- .260 1.37 .897 .899 .557 Ta---- 1.94 3.47 3.31 4.31 3.30 Th---- 21.6 40.3 37.4 42.9 39.5 en u -- 4.3 8 .£.191 7.90 8 . DU 6.43 Zn---- 81.2 51.8 59.9 74.1 88.8 Zr---- 498 349 336 360 527 Sc---- 10.6 2.79 2.83 2.78 4.73 La---- 78.5 93.2 90.7 79.4 120 Ce---- 168 182 196 161 278 Nd---- 69.7 77.3 71.5 65 97 Sm---- 11.4 13.7 13.1 12.7 16.6 Eu---- 2.03 .208 .188 .239 .408 Gd---- 9.81 10.4 10.1 10.7 12.6 Tb---- 1.39 1.56 1.64 1.68 1.84 Tm - .697 1.01 1.07 1.15 1.10 Yb---- 4.56 6.40 6.74 7.70 6.79 Lu---- .672 .930 .942 1.09 .964
Chiricahua Peak Quadrangle, Arizona Analytic Data and Geologic Sample Catalog C21 Table 5. Abundances of FeO, CO2, F, and Cl in selected samples Table 7. Semiquantitative spectrographic data for collected in the Chiricahua Peak quadrangle, Chiricahua Mountains, mineralized or altered samples collected in the Cochise County, Arizona. Chiricahua Peak quadrangle, Chiricahua Mountains, Cochise County, Arizona [Data in weight percent. ND, not detected. Map unit symbols above data columns match those used on the Chiricahua Peak geologic map (du Bray and Pallister, in [Numbers in parentheses following elements indicate lower lim press) and are defined in table 1. Wet chemical determinations; E.L. Brandt and J.D. its of determination. N, not detected. Map unit symbols match Sharkey, analysts] those shown on the Chiricahua Peak geologic map (du Bray and Pallister, in press) and are defined in table 1. R.T. Hopkins, B.M. Adrian, and M.J. Malcolm, analysts] Map unit Tmr1 Tdpi Sample No. 201538 201618 201620 201523 201524 Map unit Tdpl Quartz FeO--- altered veins 0.44 0.42 0.44 2.37 2.70 Sample No. 201558A P549 P550 P555 ??::: ND ND NO .21 .45 ci - .07 .12 .03 .05 .04 .09 .08 .08 .02 .02 Data in weight percent
Fe (0.001) 5 0.5 0.3 0.7 Map unit Trcf Mg (0.002) .7 .05 .05 .1 Sample No. 201670A 201670B 201671 Ca (0.0002)-- 1.5 .07 .07 .05 FeO Na (0.05) 3 N N N co2 0.02 0.01 0.02 0.05 Ti (0.002) .5 .02 .03 .1 NO NO ND NO P (0.2) N N N N .02 .01 .02 .07 Cl NO NO NO ND Data in parts per million
Ag (0.5)"-- N 15 1 5 As (200)----- N N N N Table 6. Abundances of Be, Cr, Ni, Pb, Sn, AU (10)-"--- N N N N and Ag in selected samples collected in the B (10)-----" <10 <10 10 10 Chiricahua Peak quadrangle, Chiricahua Ba (2)------1 50 200 700 Mountains, Cochise County, Arizona. Be (1). 1 5 10 1.5 [Data in parts per million. ND, not detected. Map unit Bi (10)------N N N N symbols match those shown on the Chiricahua Peak Cd (20)"---- N N N N geologic map (du Bray and Pallister, in press) and are Co (10)------N N N N defined in table 1. Wet chemical and spectroscopic de terminations; C.J. Skeen and M.W. Doughten, analysts] Cr (10) -- 15 <10 <10 10 Cu (1)------20 <5 5 15 La (50)- 100 N <50 N Mn (1) - 7 700 3000 150 Map unit Tcbi Mo (5)----"- N N N 10 Sample No. 201587 P470 Nb (20)------<20 N N N Be - 6.2 3.1 3.1 Ni (3)------15 <5 5 <5 Cr 5.7 10 14 Ni- 2.3 12 14 Pb (10)------30 N <10 100 Pb- 16 13 13 Sb (100)----- N N 100 N Sn- Sc (5)-"---- 10 N N N 3.6 1.7 2.6 Sn (10)"---- N N N N Ag - .30 .060 .40 Sr (100)----- 300 N <100 N V (10)------70 10 15 15 U (20) ---- <20 N N N Y (10) 50 <10 20 <10 Zn (200)----- N N N N Zr (10)------500 15 30 150 Ga (5)-- 30 <5 5 <5 Ge (10)--- N N N N Th (100)----- N N N N
C22 Geologic Sampling of the Chiricahua Mountains, Arizona
TirU.S. GOVERNMENT PRINTING OFFICE: 1993-774-049/66050