 | | Report (issue) | | Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES...along the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...along the Animas River._____ Localities in the La Plata quadrangle __ Collections from the Rico formation_____...its tributaries..__________ Localities in the La Plata quadrangle __ Interpretation of the Rico collections |  | | Journal (article/letter/editorial) | | alkaline-related gold deposits in the southern Rocky Mountains, USA: in¯uence of regional tectonics Received: 5 January...Ma), with deposits restricted spatially to the Colorado mineral belt (CMB). Other alkaline igneous rocks...Mountain front southward, from Cripple Creek in Colorado through New Mexico. All of these deposits are...through hydrously altered LREE-enriched rocks of the Colorado (Yavapai) province have 208Pb/204Pb ratios that...anomalously hot, thick, and light crust beneath Colorado may have been a catalyst for large-scale transfer |  | | Report (volume) | | Intrusive Rocks ana Associated Ore Deposits in the Colorado Mineral Belt U.S. GEOLOGICAL SURVEY BULLETIN...University Dr. LAKEWOOD, Colorado Federal Center, Bldg. 810 MENLO PARK, California Bldg. 3, Rm. 3128, 345...the Colorado Mineral Belt By Charles G. Cunningham, Charles W. Naeser, Richard F. Marvin, Robert G. Luedke...understand the temporal and spatial evolution of the Colorado Mineral Belt UNITED STATES GOVERNMENT PRINTING...and associated ore deposits in the Colorado Mineral Belt / by Charles G. Cunningham ... [et al.]. p. cm |  | | Report (issue) | | CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES, California-Federal Eldg.,... Rm. 7638,300 N. Los Angeles St. MENLO PARK, California-Bldg. 3 (Stop 533), Rm. 3128. 345 Middlefield... Rm. 8105,125 South State St. SAN FRANCISCO, California-Customhouse, Rm. 504,555 Battery St. SPOKANE...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Part II Geology and Gold Deposits of the Oatman District, Northwestern Arizona By ED DEWITT, JON P. THORSON |  | | Report (volume) | | Potential and Geology of the San Juan National Forest, Colorado Edited by Richard E. Van Loenen and Anthony B...Survey With a section on Salable Minerals By Andrew G. Raby and JohnS. Dersch U.S. Forest Service U.S....potential and geology of the San Juan National Forest, Colorado I edited by Richard E. Van Loenen and Anthony...; with a section on Salable Minerals I by Andrew G. Raby and John S. Dersch. p. em.- (U.S. Geological...: I 19.3.2127 1. Mines and mineral resources--Colorado-San Juan National Forest. I. Van Loenen, Richard |  | | Journal (article/letter/editorial) | | Epithermal Au-Ag-Te Mineralization, Acupan, Baguio District, Philippines: Numerical Simulations of Mineral...inclusion and mineralogical studies of the Acupan gold mine, a large gold-silver-tellurium-bearing low-sulfidation...similar to those observed in shallow levels of the mine and in deep-level, late-stage barren vein fill....adularia-carbonate vein assemblages in deep mine levels to sericite-bearing assemblages in shallow levels....from condensation of magmatically derived H2Te(g) and Te2(g) into deep-level chloride waters. The minor |  | | Journal (issue) | | p a c if ic COAST HIGHWAY Gold-Nevado Co. California Hours: Tues-Sar. 10-5 Sunday 12-5 [evenings by...Institution Pete J. Dunn Smithsonian Institution Peter G. Embrey British Museum (Nat. Hist.) Richard C. Erd...Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ............................................... |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Journal (article/letter/editorial) | | 2006; # Springer-Verlag 2006 Editorial handling: P. G. Spry Summary Several magmatic-hydrothermal systems...Al-phosphate, sulfate, pyrophyllite Massive-vuggy silica Sericite, adularia uncommon Illite=smectiteadularia ...2003; Cripple Creek, Colorado, Thompson et al., 1985; La Plata County, Colorado, Saunders and May, 1986;...1986; Boulder County, Colorado, Saunders, 1988, 1991; Golden Sunlight, Montana, Spry et al., 1997; Spry...intermediate sulfidation deposits in the Baguio District, Philippines (Cooke and McPhail, 2001), Golden |  | | Journal (article/letter/editorial) | | sphalerite, chalcopyrite, galena, specularite, calcite, sericite, and barite. Mineralization in the deposit can...deposit, dis covered in 1985, is located in Chongli County, northern Hebei Province, about 160 km north west...min eralized veins have been discovered in the mine, but only five attain economic concentrations. These...FIG. 2. Simplified geological map of the Dongping mine. relationships: Stage I is white quartz-K-feldspar-pyrite...rock. Besides feldspathization, silica, pyrite, sericite, albite, carbonate, and barite alterations occur |  | | Book | | 310 Pillsbury Drive S. E. Minneapolis, MN 55455, USA Volumes 1 to 9 in this series appeared under the...are of considerable aid to the exploration and mining geologist in areas of known mineralization, but...advanced undergraduate and graduate levels, and to mining and exploration geologists. lowe no small debt...3 Limestone Replacement Deposits of Leadville, Colorado ..................... . 2.1.4 Discussion and Suggestions.................. . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .......................... |  | Yin, Chao, Liu, Jiajun, Carranza, Emmanuel John M., Zhai, Degao, Guo, Yuncheng (2019) Mineralogical constraints on the genesis of the Dahu quartz vein-style Au-Mo deposit, Xiaoqinling gold district, China: Implications for phase relationships and physicochemical conditions. Ore Geology Reviews, 113. 103107 doi:10.1016/j.oregeorev.2019.103107 | Journal (article/letter/editorial) | | quartz vein-style AuMo deposit, Xiaoqinling gold district, China: Implications for phase relationships and...Dahu Au-Mo deposit, with an average grade of 6.8 g/t for 38 tons Au, and an average grade of 0.24% for...2012; Jian et al., 2015) and the Xiaoqinling gold district (compiled from Li et al., 2011; Zhou et al., 2014)...vein-style Au deposit (Li et al., 2002), and monazite LA-ICP-MS U-Pb ages of 124 to 119 Ma for the Qinnan... this area is defined as the Xiaoqinling gold district (Fig. 1c). The gold-bearing quartz veins are concentrated |  | | Book | | seen, not even in the heady days of Ballarat, California and the Yukon. Gold is being sought on every...C. Bagby US Geological Survey, Menlo Park, California, USA William Bagby received a Ph.D. in Earth Science...Science from the University of California, Santa Cruz, on petrogenetic research of Tertiary volcanic rocks...rocks in the Sierra Madre Occidental, Mexico. His mining industry experience includes porphyry copper exploration...Berger US Geological Survey, Spokane, Washington, USA Byron Berger has been involved in exploration for |  | Cooke, David R., McPhail, Derry C., Bloom, Mark S. (1996) Epithermal gold mineralization, Acupan, Baguio District, Philippines; geology, mineralization, alteration, and the thermochemical environment of ore deposition. Economic Geology, 91 (2) 243-272 doi:10.2113/gsecongeo.91.2.243 | Journal (article/letter/editorial) | | largegold-rich adularia-sericite-style epithermal veinsystem formedat 0.65 Ma at Acupan,Baguio district, Philippines... epithermaldeposits can carbonate alteration (sericite-illite or adularia). Cinnabar be groupedinto two...response tent, in contrast to the Ag-rich adularia-sericite systems of to shallowconvection of near-neutral...Baseline Road, alteration Suite 202, Boulder, Colorado 80303. Baguiodistrict(Aokiet al., 1993).In this...oneof several centralandsouthern sections of the mine(Fig. 2). It is the epithermal deposits in the B |  | | Report (volume) | | of the northern part of the Paradox Basin and the La Sal Mountain laccolith complex. See page 4 for generalized...Image of Northern Part of the Paradox Basin and the La Sal Mountains Laccolith Complex, by K. Eric Livo...Geophysical Setting of the Colorado Plateau Neogene Uplift and Radial Collapse of the Colorado Plateau-Regional...by Kim R. Sullivan Reevaluation of the Central Colorado Plateau Laccoliths in the Light of New Age Determinations...Lineaments in the Northern Paradox Basin, Utah and Colorado, by Jules D. Friedman Processes of Laccolithic |  | Ronacher, E., Richards, J. P., Reed, M. H., Bray, C. J., Spooner, E. T. C., Adams, P. D. (2004) Characteristics and Evolution of the Hydrothermal Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea. Economic Geology, 99 (5) 843-867 doi:10.2113/gsecongeo.99.5.843 | Journal (article/letter/editorial) | | Geology and Geological Engineering, Colorado School of Mines, Golden, Colorado 80401. **Present address: Placer...the start of production in 1990 and June 2001, the mine is a significant gold producer in the southwest...to 113 million tons (Mt) of ore at a grade of 3.5 g/t. The total contained gold at Porgera is thus ~20...high-grade domain referred to as zone VII, up to 1,000 g/t Au occurred in quartz-roscoelite breccias; this...5-2.5 g/t 2.5-3.5 g/t >10 g/t FIG. 2. Schematic north-south cross section through the Porgera mine, showing |  | | Report (issue) | | Version 3.4 1 February 1994 BIBLIOGRAPHY Abbott, J. G., Gordey, S. P., and Tempelman-Kluit, D. J., 1986...the northern Cordillera: Canadian Institute of Mining and Metallurgy Special Volume 37. p. 1-18. Adair...metamorphosed hydrothermal system at Pine Canyon. Piute County, Utah. U.S.A. [abs.]: Mineralogical Society (London)...Ague, J. J., and Brimhall. G. H., 1987, Granites of the batholiths of California: products of local assimilation...Geology, v. 15, p. 63-66. Ague, J. J., and Brimhall, G. H., 1988, Magmatic arc asymmetry and distribution |  | | Journal (issue) | | .............. 591 THE LEAD MINES OF HAMPSHIRE COUNTY, MASS. By E. C. Foster ···-···594 ~NERAL COLLEC11NG...n, bi It n: ~ tt tt t~ 1e Death of James G. Manchester Rocks and Minerals May Come A Out Bi-Monthly...(our 01 1 reached us of the death of Mr. James G. Man?1ester, who passed away at the age of 76, 1n...other thing to note- the Carbola Chemical Co.'s mine road leads Jeft off the Blanchard School road just...bags at In ending this long ramble I wish to trus mine, drive on across the swale and pay as fine a compliment |  | | Journal (volume) | | DECEMBER 1913 Mining and 429 MARKET STREET Scientific Press SAN FRANCISCO, CALIFORNIA^ 1'^ h i* zcv...Ltd., company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, Editorial. Accident...Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper California Accidents...Accidents, coal-mine in United States Compensation for Workingmen's compensation Acid mine water Acidity...Tramway, one-rope Tramway, Saline Valley Salt Co., California . . . . . . Aerolites Africa, copper In |  | | Journal (issue) | | MINING WORLD CATALOG, SURVEY & DIRECTORY NUMBER Blue Pages Pink Section Yellow Pages DIRECTORY INDEX...231-26] > 68 United States Mining in 1960 State-by-state report from and MINING to zinc Alaska to Wyoming...Shipments by mines for 1958, 1959, 1960 B96 Open Pit Mine Production ef 3 Technological ; Advances Tons...Tons mined and stripped & 99 Underground Mine Production from 1955 through 1960 > 101 Geology and...—==erererr Ofslo(Seep colitetol Mining Open Pit Mining World-Wide Mining Reports Africa-Asia-Caribbean-Europe |  | | Journal (issue) | | this explain why Hydroseals Tee IN THE MAJOR MINING PUMPS PROTECTED CENTERS OF THE WORLD Most... Most of the world’s molybdenum comes from this Colorado pit. The 12,250-ft. elevation doesn’t make the...machines like the “Caterpillar” Diesel products mining throughout the world. Tractors. Bulldozers, Motor...repiling bauxite and loading trucks for Reynolds Mining Corporation, near Hurricane Creek, Arkansas. CATERPILLAR...HRS ee) SY Ne Ed TI OT |IOS He~¢ fZ09) 4) Ve (Le\'y G NOMA Fe eR D6<4? Ox, atBit ANA)! Wig 2M CAE, ae. pail |  | | Report (volume) | | ; Garland Peyton, director, division of mines, mining, and geology, department of natural rnsources,...assisted in tho compilation of statistics for California. R.R. SAYERS, Director. July 1, 1941. CONTENTS...-- --· - -- . - Asbestos by Oliver Bowles and K. G. Warner _______ ·,·······---·- .... Asphalt ~nd related...barium chemicals, by Bertrand 1, • .Johnson m1G. Warner __ . ____ . ______ . ____ - _ - _ - _ - ....- - . - - - - - . - .. - _ - .. Carbon black, by G. R. Hopkins and H. Backus •... __ . ,. _ _ . _ .. |  | | Journal (issue) | | FEDERATION OF MINERALOGICAL SOCIETIES Offlcet'I Mrs. G .E. Lee. President (NFMS) 704 S.W. 31st St., Pendleton...(MFMGS) 26120 Rouge Court Southfield. Ml 48075 CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES Officer...Correspondence and requests for information to the California Federation shoulo be addressed to: Mrs. Juanlta...Gemac Corporation. 1797 Capri Ave.. Mentone. California 92359. SUBSCRIPTION RATES: $5 50 per year $10...MAILING OFFI CES. FIELD TRIPS The Renwick Uranium Mine by Gilbert A. Penny ......... • ........ • .... |  | | Journal (article/letter/editorial) | | Kochbulak Deposit (Uzbekistan) V. A. Kovalenker*, Yu. G. Safonov*, V. B. Naumov**, and V. L. Rusinov* * Institute...epithermal mineralization of both the adularia–sericite and acid–sulfate genetic types and mesothermal...formation and are associated with quartz–carbonate–sericite wall rock alteration. Our study of mineral assemblages...types of epithermal deposits are known: adularia–sericite (or low-sulfidation) and acid–sulfate (or high-sulfidation)...are associated with quartz–carbonate–adularia–sericite (beresite) wall rock alteration, have variable |
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