 | | Report (issue) | | 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 ................. |  | | Report (issue) | | 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 |  | | Journal (article/letter/editorial) | | 06 November 2014 Eagle Mine, Cilman, Eagle County, Colorado W orld production of zinc is enormous, and...from a variety of worldwide localities. Although Colorado boasts an unusually large number of good sphalerite...associated with blue fluorite, galena, and water-clear gypsum have been found in recent years in the Dolomite...commercial zinc mines of the BalmatEdwards district in Saint Lawrence County (Smith and Figure 1. A fine example...marmatite) on siderite from the Eagle mine, Gilman, Colorado. The 8.4-cm specimen is in the Dave Bunk collection |  | | Report (issue) | | 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 _____________________________ |  | | 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? ......................................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 |  | | Report (issue) | | 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 |  | | Report (issue) | | 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 |  | | Book (volume) | | ...........................................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 .................................... |  | | Journal (article/letter/editorial) | | Art, see Robinson, S. Austinite, 367 Azurite: Colorado, 106; Wyoming, 167 Downloaded by [University... Greb. July/August: Pyrite, quartz, and galena, Camp Bird mine, Ouray, Colorado. Barbara Muntyan specimen...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 |  | | Report (volume) | | 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.___________...the veins____-_-_-__________.___________________ Pyrite veins ______________________________________________...sequence of primary vein minerals ____________________ Pyrite stage_______________r ______________________________ |  | | Book (volume) | | ...........................................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 |  | | Book (volume) | | ...........................................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 |  | | 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...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily........ 932 Hague, A.; Weed, National Park; no mining W. H.; . Iddings, permitted. J.P. Lindgren, W.... No. 38. Economic geology of the Bingharn mining district, Utah, by J. M. Boutwell, Arthur Keith, and...Tonopah mining district, Nevada, by J. E. Spurr. No. 43. Copper deposits of Clifton-Morenei district, Arizona...Ulrich. * Folios: No. 120. Silverton quadrangle, Colorado, by Whitman Cross, Ernest Howe, and F. L. Ransome |  | | Journal (issue) | | Gauthier & V. T. King The Fat Jack mine, Yavapai County, Arizona ............................... 21 by...& L. Wagner, Jr. The Monitor-Mogul mining district, Alpine County, California .........................and mineral displays educate all on Sterling Hill mining. The Haucks and their volunteers continue to work...preserve those portions of the unique mineral and mining history of Sterling Hill. We feel it is essential...under A dolf Pabst, and graduated with a degree in Mining Engineering in 1948. A year later he married Joanna |  | | Report (volume) | | 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 |  | | Journal (issue) | | 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); |  | | Book | | 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...more commonly bonded covalently than ionically. Pyrite is usually the first sulphide to be encountered...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology |  | | Journal (issue) | | 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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (issue) | | Little Three mine pegmatites, Ramona district, San Diego County, California ...........................25046, M .S. 905 Denver Federal Center Denver, Colorado 80225 In recent decades the science of mineralogy... 905 Box 25046 Denver Federal Center, Denver, Colorado 80225 Louis B. Spaulding, Jr. P. O. Box 807, Ramona...the Little Three property in the Ramona district, San Diego County, California. This mine, strictly speaking...material produced from the Mursinka-Alabashka District, Urals, and the Volyn pegmatites in the Ukraine |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Riemvasmaak South Africa 2008 Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels.....................................Pg. 28 Chalk Creek Feldspar Field Trip - Justin Zzyzx ...............on collecting minerals in Colorado by Pete Modreski, the informative Colorado petrified wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and |  | | Report (issue) | | 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 |  | | Book | | important and include many metallic sulphides such as pyrite, galena, chalcopyrite, sphalerite, marcasite, tetrahedrite...deposits may contain gold, galena, chalcopyrite, pyrite, sphalerite, bornite and tetrahedrite. Epithermal... They include fluorite, quartz, calcite, tain pyrite, marcasite, is the fault plane; Nepheline syenite...examples of many possible ones. Skarn for the mining of their ores. When sedimentary rocks structure...Metallic minerals may include magnetite, hematite, pyrite, chalcopyrite, bornite and pyrrhotite. Regional |  | | Report (issue) | | (1951); see the annotated bibliography, sulfur and pyrite general reference 1. 1 deposits or districts...The index map shows the locations of sulfur and pyrite deposits in the United States and Alaska, and also...EXPLANATION OF ANNOTATED BIBLIOGRAPHY AND INDEX MAF 1. Pyrite and marcasite deposits, some containing other recoverable...have produ,:ed pyrites. A considerable number of pyrite mines and coal mines that produced pyrites prior...acid manufacture. For that reason, mines whose pyrite production ceased prior to Jan. 1, 1925 are distinguished |
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