 | | Journal (article/letter/editorial) | | Mineralized Veins and Brecciasof the Cripple Creek District, Colorado TOMMY B. THOMPSON, ALAN D. TBIPPEL...The vein depositsas exemplifiedby thoseof the Ajax mine cut Precambriancrystalline rocksandTertiary rocksof...extendsoutwardno morethanfive timesthe vein width. Secondary K-feldspar,dolomite,roscoelite,andpyrite occurwithin aninner...containssericite, montmori!lonite,magnetite, minor secondary K-feldspar,andpyrite.Thereis no expansion of the alterationzonesin...highersalinitiesfoundin the upper 300 m of the Ajax mine levels;the fluidswereboilingandcontained CO• |  | Kelley, Karen D., Romberger, Samuel B., Beaty, David W., Pontius, Jeffrey A., Snee, Lawrence W., Stein, Holly J., Thompson, Tommy B. (1998) Geochemical and geochronological constraints on the genesis of Au-Te deposits at Cripple Creek, Colorado. Economic Geology, 93 (7) 981-1012 doi:10.2113/gsecongeo.93.7.981 | Journal (article/letter/editorial) | | onthe Genesis of Au-TeDeposits at CrippleCreek,Colorado KAREND. KELLEY, • U.S.Geological Survey, DenverFederalCenter...Denver,Colorado 80225 SAMUEL B. ROMBERGER, Department of Geology andGeological Engineering, Colorado School...School of Mines,Golden, Colorado 80401 DAVID W. BEATY, Chevron Petroleum Technology Company, P.O.Box446...Stop913,Denver,Colorado 80225 HOLLYj. STEIN, Department of EarthResources, Colorado StateUniversity...StateUniversity, FortCollins, Colorado 80523 AND TOMMY B. THOMPSON Department of Geological Sciences, University of |  | | Journal (issue) | | CR IPP LE CR EE K! Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Famous mineral localities: The Cripple Creek Mining District, Colorado . . . . . . . . . . . . . . . ...[Ba(UO2)2V2O8⭈5H2O] from the type locality, the Mounana mine, Franceville, Haute Ogooué, Gabon. See the article...“This is the XYZ mine, and these are pretty pictures of the minerals from that mine.” Lou, however, took |  | | Journal (issue) | | 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 ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |  | | Journal (article/letter/editorial) | | StockworkMolybdenumDepositsin the Western Cordillera of North K. F. America Ct.^a• Abstract Molybdenumextraction...inequigranular. Hydrothermalalterationis primarily markedby K-feldspathizationand silicification. Commonly, assemblages...(eastern) Oregon-Idaho-(western) Montana, (4) Colorado-NewMexico, (5) Nevada-southern California,and...Amermolybdenumdepositsin the CanadianCordillera. 731 732 K. F. CLARK TABLE1. Location,Production andOwnership...Rate (t.p.d.)x BritishColumbia 1967 46,000,000 Mine Alice (B. C. Molybdenum) 8,000 Company British |  | | Journal (article/letter/editorial) | | deposits (Central zone, Galore Creek—Micko et al., 2014; Southwest zone, Galore Creek—Byrne and Tosdal, 2014;...comprehensive overview of mineralization in the Lorraine district (Devine et al., 2014). Four contributions document...research collaboration between CODES and Newcrest Mining Ltd. (Harris et al., 2014), and the University...t contained Au and 7 Mt contained Cu; Newcrest Mining Ltd., 2013). Some alkalic porphyry deposits also...the Quesnel and Stikine Terrane, including Galore Creek, Lorraine, Mount Milligan, Mount Polley, and Copper |  | Keith, Manuel, Smith, Daniel J., Doyle, Keiran, Holwell, David A., Jenkin, Gawen R.T., Barry, Tiffany L., Becker, Joseph, Rampe, Jason (2020) Pyrite chemistry: A new window into Au-Te ore-forming processes in alkaline epithermal districts, Cripple Creek, Colorado. Geochimica et Cosmochimica Acta, 274. 172-191 doi:10.1016/j.gca.2020.01.056 | Journal (article/letter/editorial) | | processes in alkaline epithermal districts, Cripple Creek, Colorado Manuel Keith, Daniel J. Smith, Keiran Doyle...cite this article as: Keith, M., Smith, D.J., Doyle, K., Holwell, D.A., Jenkin, G.R.T., Barry, T.L., Becker...processes in alkaline epithermal districts, Cripple Creek, Colorado, Geochimica et Cosmochimica Acta (2020)...processes in alkaline epithermal districts, Cripple Creek, Colorado Manuel Keitha, b, c *, Daniel J. Smithc...Mines, Penryn, TR10 9FE, UK Mining Corporation, Victor, CO 80860, USA *Corresponding author: GeoZentrum |  | 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). |  | | Report (volume) | | Geological Society of CIM as VOLUME 46 by the OF MINING, METALLURGY SPECIAL CANADIAN INSTITUTE NORTHWEST...PETROLEUM COPYRIGHT © 1995 BY CANADIAN INSTITUTE OF MINING, METALLURGY AND PETROLEUM Suite 1210, 3400 de Maisonneuve...and 1970s were decades of mineral exploration and mine development unprecedented in the northwestern Cordillera...the world. The modern era of copper-molybdenum mining in British Columbia dawned in 1954 when Bethlehem...the 30 years since the opening of the Bethlehem mine in late 1962, porphyry mines in British Columbia |  | | Journal (article/letter/editorial) | | arc rocks collectively referred to as the Cache Creek terrane. Porphyry Cu ± Au-Mo-Ag deposits are concentrated...Gibraltar deposit, which partly cuts the accreted Cache Creek terrane. Metal-rich hydrous melts may have traveled...Sitlika–Kutcho-Venables arc collision—Fin and Schaft Creek (~220 Ma)—are temporally related to arc uplift and...crustal and pelagic rocks included in the Cache Creek terrane, the three terranes constitute the Intermontane...in 2008 ($2.516 B total) and 100% of Yukon metal mining production in 2009 (excluding placer). Why these |  | | Journal (article/letter/editorial) | | 1006 C.C. Little Building, Ann Arbor, MI 48109, USA Received 16 December 1996; accepted 18 August 1997...developing adequate grade and tonnage for large-scale mining Žas at Summitville.. In contrast, acid-sulfate...Viejo is associated with rocks that are much lower in K 2 O than rocks associated with most acid-sulfate deposits...Keslerr Ore Geology ReÕiews 12 (1997) 153–171 Fig. 6. K 2 O versus SiO 2 plot for igneous rocks associated...hydrothermal alteration, the absence of alkali feldspar phenocrysts in the Pueblo Viejo rocks and their |  | Cooke, D. R., Wilson, A. J., House, M. J., Wolfe, R. C., Walshe, J. L., Lickfold, V., Crawford, A. J. (2007) Alkalic porphyry Au – Cu and associated mineral deposits of the Ordovician to Early Silurian Macquarie Arc, New South Wales. Australian Journal of Earth Sciences, 54 (2) 445-463 doi:10.1080/08120090601146771 | Journal (article/letter/editorial) | | Australia c CSIRO Division of Exploration and Mining , PO Box 1130, Bentley, WA, 6102, Australia Published...Australia. 3 CSIRO Division of Exploration and Mining, PO Box 1130, Bentley, WA 6102, Australia. Downloaded...associated with alkalic intrusions in the Cadia district of New South Wales have defined the Late Ordovician...and other selected alkalic porphyry deposits. District/deposit Mt Downloaded by [University of California...Alkalic porphyry deposits, New South Wales Cadia district Cadia Hillm 352.0 Cadia Quarrym 50.0 Ridgewaym |  | | Journal (article/letter/editorial) | | respect to mafic/ultramafic rocks in the Norseman district. The provinciality exhibited by the Pb-isotopic...Norseman-Wiluna Belt, including Norseman (Regent mine), have been analysed by Browning et al. (1987) and...present analyses of galenas from the Victory-Defiance mine at Kambalda. In addition, the Norseman ore-galena...Groves and Phillips (1987). The Kambalda gold-mining district comprises six major deposits which have a striking...773 33.417 • absolute deviation ~ • • • Norseman Ajax Porphyry 108319 $303224.3m 108320 $303234.2m 108321 |  | | Book | | productive and barren terrain. Part III: Local and Mine Scale Exploration — geochemical responses around...AND COMMODITY SELECTION OTHER OPTIONS purchase of mine, prospect, etc. acquisition of regional scale geological...EXPLORATION SELECTION OF REGION SELECTION OF DISTRICT o o o t> o o [ 1 reconnaissance exploration...of magnitude: region: greater than 5000 km2 ; district: 500-5000 km 2 ; area: 5—50 km 2 ; target: less...using existing knowledge. For example, in a known mining area a particular lithological structural unit |  | | Report (issue) | | .......... 6 Environmental Conditions Prior to Mining .................................................Potential Environmental Considerations Related to Mining or Mineral Processing ...........................volumes published 2 by the Canadian Institute of Mining and Metallurgy (Sutherland Brown, 1976; Schroeter... Endako, Boss Mountain, Kitsault, and Thompson Creek have been exploited. There are about 100 deposits...Red Mountain, Yukon Mt.Haskin, B.C. Storie, B.C. Ajax, B.C. Mt. Thomlinson, B.C. Tidewater, B.C. Bell |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | Pass, H. E., Cooke, D. R., Davidson, G., Maas, R., Dipple, G., Rees, C., Ferreira, L., Taylor, C., Deyell, C. L. (2014) Isotope Geochemistry of the Northeast Zone, Mount Polley Alkalic Cu-Au-Ag Porphyry Deposit, British Columbia: A Case for Carbonate Assimilation. Economic Geology, 109 (4) 859-890 doi:10.2113/econgeo.109.4.859 | Journal (article/letter/editorial) | | epithermal-style veins (stage 5). Intense pervasive K and Fe metasomatism ± calcite and calc-silicate alteration...brecciation caused by the intrusion of mega crystic K-feldspar-phyric monzonite. Stage 2 fluids were silica...2001), Greece (Skouries; Kroll et al., 2002), and Colorado (Allard Stock; Werle, 1984). Alkalic magmas have...deposits Galore Creek Lake Road City / town Zippa Mountain Hazelton 55°0’0”N Lorraine USA 55°0’0”N ...Williams Lake 100 Mile House Cache Creek Kamloops Afton-Ajax Afton-Ajax Copper Mountain Copper Mountain |  | | Journal (article/letter/editorial) | | molybdenumdepositsare associated with calc-alkalicand high K calc-alkalicmagmaseries (K575• < 2.5). The peraluminous...peraluminous graniticdifferentiatesof highK calc-alkalic(K•?.•>2.5), alkali-calcic,andalkalic magmaseries.So...transitionaldeposits cogeneticwith granitic differentiatesof high K calc-alkalic(Ks•.•> 2.5) and alkali-calcic magmaseriescharacterized...molybdenumin the melt and hydrothermalsystem.The high K, F, Rb, and low Ti and Fe contentsof graniticrocksassociated...volatiletransferor the formationof a hydrousalumina-deficient K-rich silicatemelt. Followingvaporsaturationof this |  | | Report (volume) | | Rm G-84 DENVER, Colorado--Federal Bldg., Rm. 169, 1961 Stout St. LAKEWOOD, Colorado-- Federal Center...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...-----------(34b) Regionally metamorphosed rocks K. Derived mainly from eugeosynclinal rocks Low-sulfide |  | LeFort, D., Hanley, J., Guillong, M. (2011) Subepithermal Au-Pd Mineralization Associated with an Alkalic Porphyry Cu-Au Deposit, Mount Milligan, Quesnel Terrane, British Columbia, Canada. Economic Geology, 106 (5) 781-808 doi:10.2113/econgeo.106.5.781 | Journal (article/letter/editorial) | | Columbia include Afton-Ajax, Lorraine, Mount Polley, Copper Mountain, and Galore Creek (Fig. 1A; Lang et al...porphyry of OK Tedi in Papua New Guinea and the Cadia district porphyries in Australia (Bamford, 1972; Wilson...intrusions are 782 783 120oW o 60 W Galore Creek Mount Milligan Mount Polley 06-938 06-938 SP...flows and fragmentals latite flows/fragmentals Creek Zone Southern Star Southern Star intrusion mineable...monzodiorite/monzonite Ra inb ow SP ne 400 km Cache Creek 06-947 ne Zo U.S.A. (Wash. State) Quesnellia |  | | Journal (article/letter/editorial) | | sulfate-predominant) and alkaline (pH higher than K feldspar-muscovite-quartz) conditions. Willemite also...at 36% Zn) is hosted in dolomite of the Cambrian Ajax Limestone, next to a tectonic contact with the diapiric...ores in arid environments, e.g., the Goodsprings district in Nevada (Takahashi, 1960) and Broken Hill in...main Zn mineral in the ore in large portions of the mine. The last stage of the alteration introduced large...reliability of the thermodynamic properties (i.e., log K of reaction) for zinc aqueous and mineral species | | | Report (issue) | | which will vary with the price of copper and local mining costs. At Dos Pobres, Arizona, from the top of...the date of a study, considering the extent of mining at that date. At Batu Hijau, Indonesia, Arif and...gangue silicate and oxide minerals are quartz, K-feldspar, biotite, muscovite (sericite), magnetite, chlorite...of gangue minerals, such as pyrite or potassium feldspar, may be present with no apparent fracture control...by anastomosing zones of graphic quartz-alkali feldspar intergrowths and ragged biotite (with lesser apatite |  | | Book (volume) | | ae TONITE TN263. Au. =American Institute of Mining, Metallurgical, V.2 and Petroleum Engineers Ore...Inst! itute i an Americ ie Lye 2 of llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits...(1933) AIME TRANSACTIONS VOLUME AIME TRANSACTIONS MINE PLANT VOLUME 112, MILLING METHODS (1933) (1934)...AND ZINC (1936) 134, MILLING METHODs 141, METAL MINING (1939) (1937-40) BLAST FURNACE, COKE OVEN AND...AIME TRANSACTIONS VOLUME 178, MINING GEOLOGY AIME TRANSACTIONS 181, MINING, INDUSTRIAL MINERALS, EDUCATION |  | | Report (issue) | | indicate annotation of thesis title by addition of county. Capitalization of terms in revised abstracts was...particular to Mis s Edith Rich, and to the Natrona County Library, for procuring theses. Many university...WARD OWEN, 1951, Cambrian diabase flow in [Utah County], central Utah: Brigham Young Univ. M. S. thesis...Siltstone at the base of the Chinle Formation on the Colorado Plateau shows alteration features associated with...washingtonensis. Basal Chinle outcrops along the Colorado River gorge 11 miles east of Moab, Utah, show |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...of the] FM-TGMS-MSA Wulfenite Symposium (chairman: K. Wenrich) 21:98100 Abstracts of the FM-TGMS-MSA Symposium...(chairman: K. Wenrich) 22:65-69 [Abstracts of the] FM-TGMS-MSA Symposium on Garnet (chairman: K. J. Wenrich) |
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Ajax Mine, Cripple Creek Mining District, Teller County, Colorado, USA