 | | Journal (article/letter/editorial) | | 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms of sheer volume...Kalgoorlie, Western Australia, and Cripple Creek, Colorado. Although on opposite sides of the globe, they...they have striking similarities in their mining history and mineralogy, but their geology is seemingly quite...ROCKS & MINERALS the Golden Circle mine at Sorrento and the Cline mine at Hancock, Maine, and from a vaguely...vaguely described locality near Monroe, Fairfield County, Connecticut. A compilation of telluride mineral |  | | 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: inĀÆuence 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 |  | | Journal (article/letter/editorial) | | SULFIDES FROM SEDIMENTARY ROCKS OF THE WESTERN UNITED R. G. COLEMAN AND STATES ā¢ MARYSE DELEVAUX SOME ...prevailing temperaturesand pressuresof formation of the Colorado Plateau uranium depositsthe maximum amount of...ColoradoPlateau and it was also establishedthat galena (PbS) forms an isomorphous serieswith clausthalite(PbSe)...Director, U.S. 499 Geological Survey. 500 R. G. Ā½OLEM.,qN /IND M/IRYSE DELEV.,qUX The above-normalseleniumcontentof...associated withthe unoxidized orebodiesfrom the Colorado Plateau and was chosen as the best mineral to |  | | 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 Whatās new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ............................................... |  | | 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 |  | | 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 |  | | Journal (issue) | | length of arsenolamprite in matrix from Alacaran Mine (Pampa Larga, Copiapo, Chile). All the specimens...Giant, Doctor and Mining Engineer Mark Ivan Jacobson Chuandongbei Gas Project Shangri-La Center - Level...Precious Stones report stated that the Himalaya Mine was brought into notice in 1898 by Mr. Charles Russell...operated the tourmaline mine? And how did this lead to the work by the Himalaya Mining Company? Archibald...bandaging, although he worked most of his life as a mining engineer and played as a naturalist (Cassino 1888) |  | | 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 |  | 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) | | goldāsilver prospect, Fiji: conditions of ore deposition P. G. Spry and N. L. Scherbarth Department of Geological...Atmospheric Sciences, Iowa State University, Ames, Iowa, USA Received October 23, 2005; revised version accepted...in the Stuckslager gold deposit, Coloma district, California. Roscoelite and vanadium muscovite, are...respectively (Heinrich and Levinson, 1955) and 172 P. G. Spry and N. L. Scherbarth by roscoelite exhibiting...Creek deposit, Colorado (Jensen and Barton, 2000), Boulder County deposits, Colorado (Lindgren, 1907; |  | | 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....from adularia-carbonate vein assemblages in deep mine levels to sericite-bearing assemblages in shallow...from condensation of magmatically derived H2Te(g) and Te2(g) into deep-level chloride waters. The minor |  | | Book | | San Juan region, Colo.āHist. Colorado. i. Title. 2. Silver mines and miningā F782.S19B7 973.838 T.ilmirv...(>.Ā» 759 , 1SGG5 Son Juon Country (legend) County Lines Paved Highways Dirt roads Four Wheel Drive...the most spectacularly beautiful areas in all of Colorado. Its history, since earĀ¬ liest times, is a particularly...are located near the southwestern corĀ¬ ner of Colorado. Here one finds the headwaters of inĀ¬ numerable...over the highest and most confusing topography in Colorado, wheezing and blinking every step of the way because |  | | Journal (issue) | | presented by our own Mr. Bob Jones on āCornwall: Mining, Minerals and Amazing History.ā Bob will take us...Don Boushelle Terry Dyer Bob Jones "Cornwall: Mining, Minerals and Amazing Historyā December 15th ...A, B or C G-M Stuffing or some type of Salad February D, E or F N-Z Dessert March G, H or I The...Scholten) leader. ā¢ September 29th to Anderson Uranium Mine for Carnotite, Weeksite, Agate, Fluorite (Jeff Craig)...COMPETITIONS THUMBNAIL SELF COLLECTED DIOPTASE, Sanda Mine, Mindouli Region, West of Brazzaville, Central African |  | | Journal (article/letter/editorial) | | 2006; # Springer-Verlag 2006 Editorial handling: P. G. Spry Summary Several magmatic-hydrothermal systems...zincian tetrahedrite-group minerals, chalcopyrite and galena. The presence of hessite, goldfieldite, native... Pb, Bi, Mo, Sn Tellurides common Sphalerite, galena, tetrahedrite, tennantite, chalcopyrite Ag, Au...Minor arsenopyrite pyrrhotite; minor sphalerite, galena, tetrahedrite=tennantite, chalcopyrite Au Ag...2003; Cripple Creek, Colorado, Thompson et al., 1985; La Plata County, Colorado, Saunders and May, 1986; |  | | Journal (article/letter/editorial) | | pyrite, tellurides, gold, sphalerite, chalcopyrite, galena, specularite, calcite, sericite, and barite. Mineralization...deposit, disĀ covered in 1985, is located in Chongli County, northern Hebei Province, about 160 km northĀ west...minĀ 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...calaverite. Some tellurides are associated with galena and some occur as fillings in fissures of quartz |  | | 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 |  | | Journal (issue) | | correct locale is now given as Raikot, Chi llas District, Northern Areas, Pakistan. I again purchased the...purchased a small lot of them. Another friend of mine and miner fro m 1-l unza arrived with a very good...wi th phy~ ica l data on all minerals (name, formu la, system. gro up. color. luster. opacity. streak....Blanchard Mine access Ray De Mark sent the fo llow ing e mai l clarify ing access to the Blanchard Mine. 1 hope...n access to various fee collect ing loca liti es. G ree tings from New Mex ico ! Last mo nth you ran a |  | | Journal (article/letter/editorial) | | and Name The Colorado Quartz mine is located in west-central Mariposa County, California, about 18 kilometers...town of Mariposa. It is along Colorado Quartz Road west of California Highway 140, northwest of the community...community of Midpines. The mine, which is separated from the Mockingbird mine by the partial Artru patent...near the old mining camp of Colorado (Castello 1921) and may be assigned to either the Colorado or the Whitlock...Whitlock district (Clark 1970). The Colorado Quartz and surrounding mines are privately owned and not |  | | Catalog/List | | SPRING 1989 ft. We((enj\linera(s Mineral Dealer & Mine Agent "Endsleigh", 50 Daniell Road, Truro, Cornwall...5x2-Jx1-J", Ā£8.50. ALLOPHANE/LINARITE. Maid of Sunshine Mine,Cochise Co..Arizona.U.S.A. Highly attractive and... 1-Ā£xlĀ£x1", Ā£8.00. 5- ALSTONITE. Fallowfields Mine,Nr.Hexham,Northumbria. A 2xĀ£" channel developed...developed in and traversing,from face to face,silvery-Galena-edged, loosely compacted tangle aggregate of lustrous-white...2Ā£x1Jx5/8". Ā£5-00. 28. AZURITE/MALACHITE. Tsumcorp> Mine,Otavi.Namibia. Choice,lustrous-surfaced composite |  | 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 | | 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 .......................... |  | | Journal (issue) | | Minerals International ā¢. PO Box 302 Louisville, Colorado 80027 - It is now November 4, and ram stuck...s t twe nty yea rs I o nly mi s sed Miinch e ner Mine ralientage twice a nd have witnessed the changes...due to the decreas ing qua ntity o f materials avai la ble. Other factors have to be the uncertai n economy...left o n an evening fli g ht to Bangkok. I flew to Sri Lanka arriving at midni g ht :it the airport in...time in nearly 20 years and after 65.000 dead. the g uns were fina lly silent. It was a welco me change |  | 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 (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 |
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