Arizona Geological Survey CM-04-D (Buckskin-Rawhide Mts) Correlation of Map Units in the Buckskin-Rawhide Mountains Plate 1 of 7 By: R.J. Scott Arizona Geological Survey Contributed Map 04-D (CM-04-D) Plate 1 of 7

MAP UNITS UP P E R P L ATE

Spencer and Reynolds (1989) Spencer et al. (1989a) Yarnold and McDaniel (1992) Yarnold (1994a; b) Bryant (1992) Luchitta and Suneson (1993; 1994) Shackelford (1976; 1989) Lasky and Webber (1949) Post-detachment Lincoln Rankin Swansea Swansea Nth. Rawhide Alamo Lake This Study Copper Artillery Mtns. Nth. Rawhide Mtns. Castaneda Hills-Aubrey Peak Rawhide Mtns. Artillery Mtns. Ranch Ranch east (east of Swansea fault) Penny & Artillery Mtns. 1:100000 sheet Qa Recent alluvium .

t ______Tbf Tbf Tbf Tbf __ Tbf Tbf a Qt Talus Tbf u a: b:

Q Tcw* Qo Old alluvial deposits Tstc Tc Tbf, Tsc (RM), Ts Tuc Tc __ Tsc Tf Unit 9 Unit 10 Tk?, Tbf Tsts Tc + Ts? Tcb (RR) Tbf Basin fill __ __ Tcw Tcwc Tc + Ts? "Chapin Wash Formation" (Tk) Unit 8 Tsc Tk?

e __ t Tcws Tus Ts Ts "Arkose of Keenan Camp" a e l

c ______- e Upper plate Tl, Tlst __ __ Tml Tcwm Ts n n e e

l Tcw, Tcwm e __

u __ Tcw __ d c Ts t Sandtrap Conglomerate Tcwt Tt Tt (Tk) Unit 8 Tsc Tvst q d o

i i "Chapin Wash Formation" e Ts tc conglomeratic facies ______M M S Tcwl Tll? Tml Ts tc sandstone facies Tlcw Tlc, Tls, Tlsc __ __ Ts 21, 23 ? Unit 8 __ (Tk) Tsc Tk Tcwb Tlc? __ __ Tuc Tcw Chapin Wash Formation "Arkose of Keenan Camp" Talb __ __ Ts? Ts ? ______Tucw Upper Chapin Wash Formation Tbs 21, 23 Tsc* in RR area Tcw* Ta e ______Ts ? ______"Artillery Formation" n Tcwc Interbedded sandstone and conglomerate Taly 21, 23 e

c Tcws Sandstone __ __ Mg and Tcw* e Taxg Tbx Txgr (Tx ) Tg Unit 7 Tbx, Tcx o Txg Gravity slide within Tk?

i 19 c n M Tcwm Interbedded mudstone, siltstone and sandstone __ __ Tcg ? Unit 6 Tcx Tcw* e Tac, Tas Tbs Tdfv? 15,17 Tsp Ts, Tu basal Tk? e u l Tcwt Air-fall tuff q d Tavb __ __ (Ta) Ta e d 18 Teb i Tcwl Limestone Tv Tb Txb, Tsb? Tbo Tcwb S "Early basalt" Tab M __ __ Ta ? Unit 5, 6 Tlcw Lower Chapin Wash Formation Tava Ta 14,16 __ Tcwb Basal conglomerate Tacv __ __ (Txv 12) (Ts, Tcm, Tc) Tx fd Tcx Tbx (alluvial facies), Tbu Tcw* __ Tt ? ______Tat __ __ 10 Tbx* in RM area Tbu Ta Ta Artillery Formation "Artillery Formation" Talx ______Tl9, 11 ? Tl? Txl, Tu Unit 5, 6 Tbx Tbu Pu and Tcw* Talb Limestone, calcareous sandstone (dark grey to black) __ Taxu Tbxc, Tbxq Tbxc Txv? __ Txv? Pu* Taly Limestone (yellow to pale grey) Tx Unit 5 Tbx Tbx ______Txv ? Txt ggs Taxg Megabreccia (granitic protolith) Taxv Txv? 8 Member 5 Ta and PCv* ______(Mzp, Mzsh) __ e Tac Conglomerate and conglomeratic sandstone Jv Jp Mesozoic metasedimentary and PCv* ggs

n MPu Undiff. Pz + Mz

e Tas Sandstone ______metavolcanic rocks e PM Ta, ggs, PAL* c Pk, Pzc (Pk, Pc, Ps, Pzc, MzYi, MzYid) Pzu Pu c o i n Tavb Basalt __ __ ggs e YXg (JXg, gr , gr ) XYc PCbg Biotite granite YXg Proterozoic basement M MzXc? 1 2 Mg

u

y Tava Trachyandesite and andesite q l r e

a Tacv Conglomerate, conglomeratic sandstone and sandstone ? = similar lithology but in different stratigraphic position to the present study S E Tat Non-welded tuff ( ) = equivalent stratigraphic position but different lithology to the present study Talx Limestone * = unit or stratigraphic subdivision not recognised, misidentified or mapped differently in different areas Taxu Megabreccia (undifferentiated) RM = Rawhide Mine area R E FE R E NC E S Taxv Megabreccia (metavolcanic protolith) RR = Rankin Ranch area Bryant, B., 1992, Preliminary geologic map of the Alamo Lake 30' x 60' Spencer, J. E. and Reynolds, S. J., 1989, Tertiary structure, stratigraphy, quadrangle, west-central Arizona: U.S. Geological Survey Open File and tectonics of the Buckskin Mountains, in Spencer, J. E. and Reynolds, J v Planet Volcanics P roterozoic Report 92-311, 27 p. S. J., eds., Geology and mineral resources of the Buckskin and Rawhide - Meso zoic P M Undifferentiated Palaeozoic and Mesozoic rocks Mountains, west-central Arizona: Arizona Geological Survey Bulletin, v. YXg Biotite granite Lasky, S. G. and Webber, B. N., 1949, Manganese resources of the 198, p. 103-167. L OWE R P L ATE AND DE TAC HME NT FAUL T Artillery Mountains region, Mohave County, Arizona: United States Geological Survey Bulletin, 961, 86 p. Spencer, J. E., Reynolds, S. J. and Lehman, N. E., 1989b, Geologic Spencer et al. (1989b) Bryant (1992) Spencer and Reynolds (1989) Shackelford (1976, 1989) map of the Planet-Mineral Hill area, northwestern Buckskin Mountains, This Study Alamo Lake Lucchitta, I. and Suneson, N. H., 1993, Dips and extension: Geological west-central Arizona, in Spencer, J. E. and Reynolds, S. J., eds., Geology Planet-Mineral Hill area Lincoln Ranch Rawhide Mountains Lower plate and detachment fault 1:100000 sheet Society of America Bulletin, v. 105, p. 1346-1356. and mineral resources of the Buckskin and Rawhide Mountains, west- central Arizona: Arizona Geological Survey Bulletin, v. 198, Plate 2, scale Tc Hydrothermal carbonate Tc Tc __ Tc Lucchitta, I. and Suneson, N. H., 1994, Stratigraphic section of the 1:24000. Tcb Chloritic breccia ______Castaneda Hills-Signal area, Arizona, in Sherrod, D. R. and Nielson, J. E., Tfg eds., Tertiary stratigraphy of highly extended terranes, California, Arizona Yarnold, J. C., 1994a, Tertiary sedimentary rocks associated with the -

Tfg Fault gouge and Nevada: United States Geological Survey Bulletin 2053, p. 139-144. Harcuvar core complex in Arizona (U.S.A.): insights into paleogeographic e Tcb Tmb

e mc Tbr mc PCmg n Tmb Microbreccia evolution during displacement along a major detachment fault system: n e

e Tcb c Tbd Basaltic dykes Shackelford, T. J., 1976, Structural geology of the Rawhide Mountains, Sedimentary Geology, v. 89, p. 43-63. c o

o __ g __ Mohave County, Arizona (Ph.D dissert.): Los Angeles, University of i __ __ i Tbd l Thi Felsic to mafic hypabyssal sheets

M Southern California, 175 p. Yarnold, J. C., 1994b, Middle Tertiary stratigraphy of the northern O __ Ts p Swansea Plutonic Suite Thi ______Rawhide Mountains and Artillery Mountains, Arizona, in Sherrod, D. R. Shackelford, T. J., 1989, Geologic map of the Rawhide Mountains, and Nielson, J. E., eds., Tertiary stratigraphy of highly extended terranes, Ts pm Mafic and ultramafic intrusions __ PCmg Tsp Tsp Mohave County, Arizona: in Spencer, J. E. and Reynolds, S. J., eds., California, Arizona and Nevada: United States Geological Survey Bulletin Ts pd Quartz diorite __ __ Geology and mineral resources of the Buckskin and Rawhide mountains, 2053, p.145-147. Tsp Tspm Ti Tspm K g Leucocratic granite and pegmatite west-central Arizona: Arizona Geological Survey Bulletin, v. 198, Plate 1, mc __ Tspd Tsp, Tspm scale 1:42850. Yarnold, J. C. and McDaniel, B. J., 1992, Preliminary geologic map of Mesoz oic - MP s Undifferentiated metasedimentary rocks Md Tertiary sedimentary rocks in the northern Rawhide Mountains, Mohave P alaeozoic Kg mc __ cc Calcite marble Kg PCmg Spencer, J. E., Grubensky, M. J., Duncan, J. T., Shenk, J. D., Yarnold, County, Arizona: Arizona Geological Survey Contributed Map CM-92-B. Xgg Granitic gneiss MPs Pzu J. C., Lombard, J. P., 1989a, Geology and mineral deposits of the central P roterozoic MPs MPs ms PCms Artillery Mountains, in Spencer, J. E. and Reynolds, S. J., eds., Geology Xlg Layered migmatitic gneiss cc Pzc and mineral resources of the Buckskin and Rawhide mountains, west- mc Undifferentiated lower plate rocksw central Arizona: Arizona Geological Survey Bulletin, v. 198, p. 168-183. TITL E : CORRELATION OF MAP UNITS IN THE Xgg mc BUCKSKIN-RAWHIDE MOUNTAINS Xlg mc Xlg PCmg mc cmu LOC ATION: Buckskin-Rawhide Mountains, La Paz and

Arizona Geological Survey Mohave Counties, Arizona CM-04-D (Buckskin-Rawhide Mts) MAP P ING : R. J. Scott (1990-1992) Plate 1 of 7