Newpublications topical report (GRI-91/0072)that had limited contractional orogeny in western North distribution. This publication includes the America: evidence from ca. 1..4Ga plutons: 1{MBMMR reviewed papers on the Sanfuan Basinfrom Geology,v.22, no.10, pp. 901-904. *Bulletin ll3-Geology of East Potrillo Moun- that report, but omits two generic papers, Sanford, R. F., 7994,A quantitative model of tains and vicinity, Dofra Ana County, New and makes the researchresults more avail- ground-water flow during formation of tab- Mexico, by W. R. Seagerand G. H. Mack, able to geoscientistsand engineers. ular sandstone uranium deposits: Economic 1994,27pp., I table,16 figs., 3 sheets,scale Geology, v. 89, no. 2, pp.34l-360. L:24,0N. $10.00 Semken,S. C. (ed.), 1992,Fieldguide to a ge- The East Potrillo Mountains arba is in USGS ologic excursion in the northeastern Navaio southwest Dofra Ana County, approximately Nation: Navajo Community College. Ship- 25 mi west of El Pasoand 34 mi southwest GEor.ocrc euADRANGLEMAps rock, Navajo Nation, New Mexico, Proceed- of Las Cruces. The MexiceUnited States GQ-l737-Geologic map of the Clifton House ings of the Western Slope Intercollegiate border forms the southern limit of the map, quadrangle, showing fossil zones in the Pi- Geologic Field Conference, October 9-11, and the 10T6'30' meridian delineates the erre Shale, Colfax County, New Mexico, by 1992,68 pp. western edge of the map; altogether, ap- C. L. Pillmore and G. R. Scott, 194, scal-e Wade, S. C., and Reiter, M., 1994,A hydro- proximately 90 mi'? of varied terrain weie l:24,000. thermal study to estimate vertical gr6und- studied. water flow in the Cafrutillo well field, between The prominent volcanic domes of GQ-l749-Geologic map of the Los Pinos Mt. Riley Las Cruces and El Paso:New Mexico Water and Mt. Cox dominate the view, quadrangle, Rio Arriba and Taos Counties, towering 1,475 ResourcesResearch Institute, New Mexico ft or so above their surround- New Mexico, and Conejos County, Colo- ings. State University, WRRI Rept.282,71 pp. To the southeast, the narrow ridge rado, by R. A. Thompsonand P.W. Lipman, Wade, S. C., and Reiter, M., 194, Hydrother- known as the East Potrillo Mountains rises 1994.scale 1.:24.000. approximately 900-1,000ft above the bolson mal estimation of vertical ground-water flow, GQ-L750-Geologic map of the San Antonio floor. Approximately 4,265ft of sedimentary Caflutillo, Texas:Ground Water, v. 32, no.5, Mountain quadlanglel Rio Arriba County, and volcanic rocks and alluvium, which range pp.735-742. New Mexico, by R. A. Thompson and P. W. in age from middle Permian to Holocene,are Lipman, L994, scale1,:24,ffi0. exposed in the study area. The East Potrillo Mountains area reveals Open-lilerepons important details about regional Laramide, Warrn-nrsouRcEs INVEsTIGATIoNS middle Tertiary, and late Tertiary deforma- WRI 92-4l88-Reconnaissance investigation IIMBMMR tion. The oldest structures are folds and as- of water quality, bottom sediment, and biota +374-Geology along a margin of the Colorado sociated thrust faults that are the products associatedwith irrigation drainage in the Pine Plateau and Rio Grande rift, north-central of Laramide compressionin Late Creta- River Project area, Southem Ute Indian Res- New Mexico: roadlog and field-stop discus- ceous--earlyTertiary time. These structures ervation, southwestern Colorado and north- sions to accompanyfield trip #3 of the Rocky are dissectedby a system of low-angle nor- western New Mexico, 1988-89, by D. L. Mountain/South-central Sections annual mal faults that are associatedwith moder- Butler,R. P. Krueger,B. C. Osmundson,A. meeting of the GSA, Albuquerque, NM, April ately rotated strata, presumably the result of L Thompson, J. J. Formea,and D. W. Wick- 20-27,7991, by M. A. Gonzalez and D. P. early extension in the Rio Grande rift. The man,7993, 105pp. Dethier, 80 pp. $r6.00 most *405-Geology recent strucfuresare high-anglenormal WRI 93-4065-Reconnaissance investigation of the Zuni Salt Lake 7.5-min- faults that cut middle Tertiary and Quater- of water quality, bottom sediment, and biota ute quadrangle, Catron County, New Mex- nary fanglomerate and border the modern associatedwith irrigation drainagein the San ico, 194, by O. f . Anderson,2l pp., 2 oversize fault-block uplifts and basins. sheets. fuan River area, San Juan County, north- $7.20 western New Medco, 1990-97,by P. BIan- [A colored section is availableto walk-in cus- *Bulletin J. 146-Coalbed methane in the Upper chard, R. R. Roy, and T. F. O'Brien, 1993, tomers for an additional $3.50.1 Cretaceous Fruitland Formation, San Juan 141pp. Basin, New Mexico and Colorado, edited by WRI 93-4088-Water{evel changes in the High USGS W. B. Ayers, Jr., and W R. Kaiser, 1994,216 Plains aquifer: predevelopment to 1991,by 93-292-F-Geologic radon potential of EPA pp., 14 tables,158 figs. $15.00 T. S. McGrath and J. T. Dugan, L993,53 pp. Region 6; Arkansas, Louisiana, New Mexico, Coalbed methane is playing an increas- Oklahoma, and Texas,edited by R. R. Schu- ingly important role in meeting the energy mann, 1993,150 pp. needs of the United States.This unconven- 93-455-National Water-qualityAssessment tional gas may supply 4-57o ol the domestic Otherpublications Program; water use in the Rio Grande valley, natural gas in 194. The San fuan Basin led 1990,by S. F. Richey and S. R. Ellis,7993,2 the nation in coalbedmethane production in Anderson, O. f ., and Lucas,S. G., 1994,Mid- PP. 7992, when nearly 2,100 Fruitland coalbed dle Jurassicstratigraphy, sedimentation and 93-596-C-Plays for assessmentin Region IIl, wells produced approximately 1147billion cu- paleogeography in the southem Colorado Colorado Plateau and Basin and Range, as (Bcf) bic feet of coalbedmethane-8l7o of the of October 4, 1993; 195 National Assess- total U.S. coalbedmethane production of ap- ment of Oil and Gas,compiled by D. L. Gau- proximately 553 Bcf. tier and K. L. Varnes,1993,78 pp. This publication discussesfive areas that 93-596-D-Plays for assessmentin Region IV, relate to controls on the occurrenceor prod- Rocky Mountains and northern GreatPlains, ucibility of coalbedmethane in the SanJuan as of October4,1993;1995 National Assess- Basin:tectonic setting; depositional setting; Lucas, S. G., and Anderson, O. 1., 1994,The ment of OiI and Gas, compiled by D. L. Gau- tracture patterns in Fruitland coal beds and Camp Springs Membet baseof the Late Tri- tier and K. L. Varnes, 7993,34 pp. adjacentstrata; studies of hydrology, thermal assicDockum Formation in west Texas:West 93-59GE-Plays for assessmentin Region V, maturity, and gas compostion; and the in- TexasGeological Society, Bulletin, v. 34, no. West Texasand eastern New Mexico, as of tegration of geologicand hydrologic studies. 2, pp. 5-L5. October 4, 7993;1995National Assessment The research, funded by the Gas Research Lucas,S. G., and Anderson,O. J., 1994,lJpper of Oil and Gas, compiled by D. L. Gautier Institute and conducted by the Bureauof Ec- Permian Ochoa Group of west Texas and and K. L. Vames, 1993,9 pp. onomic Geology at The University of Texas southeasternNew Mexico: Permophiles,no. 93-680-Abstracts of the U.S. GeologicalSur- at Austin, the Colorado Geological Survey, 24, pp. 43-46. vey, Central region, 1993poster review, com- and the New Mexico Bureau of Mines and Nyman, M. W., Karlstrom, K. E., Kirby, E., piled by C. E. Baker and A. B. Coury, 1993, Mineral Resources, was summarized in a Graubard, C. M., 1994,Mesoproterbzoic 27 PP. November 1994 . New Mexico Galogy Palo Duro Basin, 58 Santa Fe Formation, 56 PalomasFormation, 42 Santa Fe Group, 85 ParadiseFormation, 57-58 Santa Rita mining district, 24 lndexlo NewMexico Geology, volume 16 PecosRiver, 59-60 Santo Domingo Basin, 55 pedogenesis,8, 9, 12 SartenSandstone, 51-52 i'enniylvanian, 76, 26-28,30, Savarese,G , 82 57-58, 83 Scholle mining district, 36 Abbott,J C, 83 San Juan, 74-75 karst, T-"12,57 PerchaShale, 7 Seager,W, 78 Abo Formation, 26-30 SantaFe Cotnty,21.,75 Kelly Limestone,16 Permian,17,26, 29, 57-58, Sealey,P L,85 abstracts SierraCounty, 47 48,59, Keres Group, 56 72,75,84-8s sedimentation,36, 42, 47, 56- Mineral Symposium,15-16 67,77 Kietzke,K K ,4'1.-48 Perry,F V, 60 58, 83 NMGS, 35-37, 56-61.,79- Socorro County, 4, 75-16, Kilbourne Hole, 81-82 petrography, 8, 11 Silurian, 7 85 52, 59, 67, 7r-72, 76, 81., Krby, E ,82-84 petrogenesis,79-81 Sims,K W W,79-80 seealso NMG 17(11 85 Kottlowski,F E ,26-30,54 pehology,41, 81 Sivils,D J,57 Albuquerque Basin, 56-58, 72 Taos County, 56 Kudo,A M,50-61 Phillips,F M,80 Smith, G A., 55 ammonites,49,52-53 Union County, 72, 76 Kues,B S ,74,49-54 Phillips,W. M, 61 snakes, 85 Anderson,O J ,17,49-54 Cowan, C , 15 Kyle, P R, 35-35 Pictured Cliffs Sandstone,75 Spell,T L, 36 Andrew,l E ,60,82 Cretaceous,17,22, 49 54,83 Pinos Altos mining district, Stamm,R C ,2610 Anthony, L , 80 Cross,A , 84 Ladron Mountains, 82-83 SteepleRock mining district, Appelt,RM,36 Laughlin, A W, 60-61 Pittsburgh mining district, 25 75,24, 35-36 argon/argon dating, 36-37, Dakota Sandstone, 49-54, 75 Lavine,A., 56 placer 9o1d,21.25 stratigraphy, 7-8, 49-50, 52- 56-57, 83 Daniel,CG,82 lead, 59 Pleistocene,17, 43-M, 58, 53, 56-57 Armstrong,A K,25-30 Datil Group, 55 Lifton,N A,61 60-61 Austin,G 5 ,7-6,59-60 Davis,R L, 84 Linchburgmine, 15-15 Pliocene,47-48,81,85 Taos Plateau volcanic field, DeMark, R S., 15-15 Lockey,M G,84-85 plutonism, 35, 83 80-81 Baldridge,W S,79-80 DePaolo,D I ,79-80 Long,C A, 81 82 Pollock,T R, 82-83 tax/revenue table, 77, 79 Balk,C L, 54 Desmoinesian,28 Longmire,P, 59 potassium,35-35 tectonism,83