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| and Ore Deposits of the Chicago Creek Area Clear Creek County Colorado GEOLOGICAL SURVEY PROFESSIONAL...and Ore Deposits of the Chicago Creek Area Clear Creek County Colorado By J. E. HARRISON and J. D. WELLS...and ore deposits of the Chicago Creek area, Clear Creek County, Colorado, by J. E. Harrison and J. D. Wells...Geology Colorado Clear Creek Co. 2. Ore deposits Colorado Clear Creek Co. 3. Petrology Colorado Clear Creek..._---_-__-_--__________-____________--. History of the district-______________________________ General geology |
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| 06 November 2014 Eagle Mine, Cilman, Eagle County, Colorado W orld production of zinc is enormous, and...a single zinc mineral, sphalerite. Fortunately for the collector, sphalerite tends to form well-crystallized...localities. Although Colorado boasts an unusually large number of good sphalerite occurrences, the Eagle...the source of a correspondingly large number of sphalerite specimens. Inasmuch as the minerals of the now-closed...issue’s Connoisseur’s Choice (figs. 1 and 2 ) . Sphalerite is notable for its dodecahedral cleavage, the |
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| Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...______________________________ _ History of uranium mining and production ____________ _ Geologic setting...__________ - ___ - ________ -----------Central City district _____________________ ------Quartz Hill-upper... _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher mines ______________...descriptions-C~:mtinued Lawson-Dumont-Fall River district, by C. C. Hawley and F. B. Moore _____________________________ |
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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ................................................Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County ............................... . 103 Orcs in Clear Creek County ............................ . 103 Ores from...Argentine to the Tenmile district .. : ............... . 104 Ores of the Tenmile 'district ................. |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................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...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |
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| RECONNAISSANCE OF PART OF NORTH-CENTRAL CLEAR CREEK COUNTY COLORADO This report concerns work done on behalf...RECONNAISSANCE OF PART OF NORTH-CENTRAL CLEAR CREEK COUNTY, COLORADO By John D. Wells and Jack E. Harrison...GOLDEN O 1 lDAHO SPRINGS GEORGETOWN J CLEAR EFFERSON CREEK J i ARK ) 20 Miles _l 10 0 i ............ i Figure 1. Index map of central Colorado showing area covered by reconnaissance. ii RADIOACTIVITY...RECONNAISSANCE OF PART OF NORTH-CENTRAL CLEAR CREEITCOUNTY, COLORADO By John D. Wells and Jack E. Harrison |
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| ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |
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| Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00...of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________..._________ __________________________________ Sphalerite. _________.__ -_______---_-_-____________'___-_--Galena...pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |
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| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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| Art, see Robinson, S. Austinite, 367 Azurite: Colorado, 106; Wyoming, 167 Downloaded by [University...Pyrite, quartz, and galena, Camp Bird mine, Ouray, Colorado. Barbara Muntyan specimen, John Muntyan photo...November/December: Gold on quartz, Eagle's Nest mine, Placer County, California. Wayne and Dona Leicht specimen, Harold...Mineralogical Symposium Acanthite, 25 Actinolite, Colorado, 302 Aegirine, Arkansas, 181 Aguilarite, 27 Albite...Gerais, 313 Alforsite, 367 Allanite-(Ce), Colorado, 301 Alpine-Cleft Mineralization at Pedreira Atalaia |
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| 1 COUNTY REPORT HYSICAL >ci 8 PHYSICAL •CI. .Lib. IES TN 24 C3 1ERAL RESOURCES OF A34 1 IPINE...IPINE COUNTY, CA! IA -*ci?2®^?^a£~Vfes^A^Gw^i I ver Mou nta i nV-*- Digitized by the Internet...08clark MINES AND MINERAL RESOURCES OF ALPINE COUNTY, CALIFORNIA by WILLIAM B.CLARK With sections...the Zaca gold-silver mine and the Leviathan COUNTY REPORT sulfur mine by James R. Evans 8 1977...T. 2 i DOCS. -US Frontispiece. Typical Alpine County scenery. View looking southeast across Twin |
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| March/April: Millerite on dolomite, Leadwood, St. Francois County, Missouri. Glenn Williams specimen, Terry Huizing...on quartz, Himalaya mine, Mesa Grande, San Diego County, California. Wayne Sorensen specimen, Jeff Scovil...Barite, Black Cloud mine, Leadville, Lake County, Colorado. Dave Bunk specimen, Jeff Scovil photo. September/October:...NovembedDecember: Hematite, Montreal mine, Iron County, Wisconsin. F. John Barlow specimen, M. Hjerstedt...Twenty-fourth Rochester Mineralogical Symposium Adamite, Colorado, 357 Adularia, Chamonix, France, 36 Air Tool Preparation |
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| University of Science and Technology, Rolla, MO 65401, USA; rhagni@mst.edu Received: 15 December 2017; Accepted:...Point District in the Northwest Territories of Canada and at the Black Cloud mine in Colorado. Flat,...amounts in the Magmont, Buick, Fletcher, Brushy Creek, and Sweetwater mines in the Viburnum Trend. In...Southeast Missouri Lead District was the world’s largest lead-producing district for nearly half a century...significant lead producer. Present mining in the Southeast Missouri Lead District occurs in six mines located |
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| Institution feature articles Mordenite at Wolf Creek Pass............................... 272 by Marvin...Marvin Hanner Additions to the Ore Mineralogy of Colorado..................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................collector and dealer is be coming less and less clear. A few people m ake their living 100% through dealing...Lapidary Journal, 27, No. 7, 1040. ITALIAN MOUNTAIN, COLORADO by M. M. Groben Italian M ountain (elevation 13 |
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| collecting. Although Texas is not known for its mining industry, be cause of its large oil and gas exploration...Llano County in the early 1900s but was flooded by Lake Buchanan in 1938. The Terlingua mining district...district is noted for its rare mercury minerals. Mining here was contin uous from 1900 to the middle 1940s;...on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991). i i • I...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence |
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| Part 1. General geology. Part 2. Utah. Part 3. Colorado. 0 Oxidized Zinc Deposits of the United States...gold-bearing oxidized zinc and zinc-lead ores in Colorado, Utah, Nevada, and California______________ 3...deposits in the Eastern and Central States, and in Colorado and Utah_______________ m A-2 7 22 OXIDIZED...~issouri Texas•-----------------------------------Colorado _________________________________ _ New ~exico...Alaska.. a Includes 550 tons from Davis, Murray County, Okla. 'Production to 1934 only. PART 1. GENERAL |
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| Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...silicate minerals from Trumbull Peak, Mariposa County, California......................................3 cm, from the "Tree Root Pocket," Pikes Peak, Colorado. Bryan Lees specimen; photo by Harold and Erica...70, in Denver, Colorado. Henry Pohs was well known to every serious collector of mining antiques and memorabilia...Canada (Montgomery, 1960); the Big Creek-Rush Creek area, Fresno County, California (Alfors et al., 1965); |
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| . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |
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| decide whether a certain metalliferous deposit or district should be included or not. The problem was also...other forms) since 1935 is reviewed. New sulfur mining and recovery projects in the United States and...chemical properties of sulfur, the geology and mining operations of the salt-dome sulfur deposits, the...Swager, W. L. , and Sullivan, J. D. , 1951, Sulphur: Mining Engineering, vol. 3. , pp. 403409. The history...the Gulf Coast, Isthmus of Tehuantepec, and Utah-Colorado provindes. Index maps of the salt domes and salt |
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| MARCH, Ph.D. 1914 Issued by California State Mining Bureau McN. HAMILTON STATE MINERALOGIST F. F...Minerals of herewith Bulletin 67 of the State Mining California. This work was made possible at this...localities new and quently the The second list ^Mining' State Mineralogist. This known localities...literature of a general nature on the geology and mining industry of the State. bibliography of A. may...The excellent Vodges, Bulletin 30 of the State Mining Bureau, be referred to for such literature. The |
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| Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
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| ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |
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| granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...of sophisticated testing methods it has become clear that many minerals fall into groups, the members...mineralogists studied more and more specimens it became clear that many showed characteristic external shapes...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology...crystal form. Other crystals Wulfenite (Arizona, USA) 29 may show lesser symmetry on a scale at the |
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| Handles Peak Wilderness Study Areas, Hinsdale County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1715-B /fj&:~~:£2...Handles Peak Wilderness Study Areas, Hinsdale County, Colorado By RICHARD F. SANFORD, RICHARD I. CRAUCH,...RESOURCES OF WILDERNESS STUDY AREASSOUTHWESTERN COLORADO DEPARTMENT OF THE INTERIOR DONALD PAUL MODEL...Hinsdale County, Colorado. (Mineral resources of wilderness study areas southwestern Colorado ; ch. B)...mineral resources Colorado Redcloud Peak Wilderness. 2. Mines and mineral resources Colorado Handies Peak |
