 | | Journal (article/letter/editorial) | | HISTORY OF FOUR Native Silver Localities 7 in Colorado Downloaded by [University of California, San Diego]...72 Golden, Colorado 80403 All photos by author unless otherwise noted SINCE 1859 COLORADO HAS PRODUCED...rather than the native metal. Native silver in Colorado has been deposited both as a primary mineral,...across, Up to Date mine, Bald Mountain, Caribou area, Grand Island district, Boulder County. Specimen owner...(Front Range, central, and San Juan Mountains) of Colorado mineral belt. Some representations of mineral |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut..... .Prof. William...North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G. Leonard, Grand Forks |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Journal (issue) | | WILFRED C. EYLES 'Jfz£ Enahantd rPuClo I BAYFIELD COLORADO ROCKS and MINERALS PUBLISHED MONTHLY Published................................... . CANADA'S NEW GOLD BOOM ......................................................... . SHEBA, SOUTH AFRICA'S OLD EST GOLD MINE ....................................... . WITH...Mexico, be held on Friday morning, March 8th; Colorado Mineral Society, Grand Junction i!1spection of...topography of the Little Cottonwood Area, Salt Lake County, Utah, are here described, and the geologic history |  | | Journal (issue) | | Radioactivity and Rockhounding SAN JUAN MOUNTAIN SUMMER Gold, Diamonds, and A Cast of Characters TANTALIZING...SUMMER IN THE SAN JUAN MOUNTAINS (PART II) 56 Gold, Quartz, The Hope Diamond, And a Cast of Characters...SILVER BOULDER TREASURES An Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS.......18 Chance Encounter Creates Opportunity to Mine for Variscite By Helen Serras-Herman 20 CRYSTAL...giveaway is the heart-shaped cabochon, cut from Apache Gold, shown above. This cabochon giveaway came about |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...exten sive deposits, such as coal and iron fields, gold belts, etc., are mentioned in general terms. 688...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...ALABAMA—Mined. Mineralogical name. Coal, var. bitu minous. Gold. Common name. Remarks. Coal, bituminous coal |  | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | | Journal (issue) | | CHAPTER REPRESENTATIVES (ALSO BOARD MEMBERS) COLORADO CHAPTER: Bob Hembree; rhembree@comcast.net MIDWEST...Finger) and LKA Emeralds, Hiddenite, Alexander County, NC Go On Public Exhibit in New York City. Emeralds................................... 2 Independence Mine, ................................................................................. 3 Little Three Mine,.................................................................................... 3 Cryo-Genie Mine ............................................... |  | | Report (issue) | | THE ASPEN DISTRICT, COLORADO By ADOLPH INTRODUCTION \ , The Aspen district of Colorado was mapped...well-known monograph.1 With the lapse of 30 years mining in the area surveyed by Spurr has come to a standstill...exploratory work has been done in the vicinity of Kichmond Hill, a little farther south, and public demand has consequently...the United States Geological Survey to visit the district, and he did so in July, 1923. The only topographic...writer in the vicinity of the Little Annie mine, or Kichmond Hill. Plate 1 is a composite geologic map in |  | | Report (volume) | | Creek NE and Welches Canyon Quadrangles, Eureka County, Nevada flv JAMES G. EVANS G K () 1, () <; I C...Creek NE and Welches Canyon quadrangles, Eureka County, Nevada. Bibliography: p. Supt. of Docs, no.: I...-_-_-___-_--____-_.-____-____-____-_--_-__----__ Quartz monzonite ------------------------------------...---_-_-_-_--_-_____--_-_._._____.___-_-_---__._.__ Quartz latite ---_------.__.__------._..-----...._._.__..._-.-.-.--.._.-.-.-....-..... 18. Photograph of Richmond Mountain thrust -.-.-.--..-.-._..... 19. Equal-area |  | | Journal (issue) | | Finger) and LKA Emeralds from Hiddenite, Alexander County, NC to Go On Public Exhibit in New York City Emeralds...the Koffiefontein Mine, located in the village of Koffiefontein, in the Xhariep District of the Freestate...10011. News----------------- Page Gold at the Isabella Pearl Mine ' Mineral Co., Nevada Tony ikjscher...tony@cxcaliburmincral.com Gold Resource Corporation (listed on the NYSE American: GORO) is a gold and silver producer...and evada, USA. In June, 2018. groundbreaking began at the surface/open pit Isabella Pearl Mine in Mineral |  | | Report (volume) | | Bulletin, vol. 44. New York. American Institute of Mining Engineers: Bulletin, nos. 61-72; Transactions,... 147-264. San Francisco, Cal. California State Mining Bureau: Bulletin, no. 64. San Francisco, Cal. California...Transactions, vol. 9, pts. 2, 3. Toronto, Ont. Canadian Mining Institute: Quarterly Bulletin, nos. 18-20; Journal... BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1912. 7 Canadian Mining Journal, vol. 33. Toronto and Montreal, Canada... New York. Colorado College Publications: Science series, vol. 12, nos. 10, 11. Colorado Springs, Colo |  | | Journal (article/letter/editorial) | | acanthite paramorph after argentite from the Rayes mine, Guanajuato, Mexico. Francis Benjamin specimen,...1878); the Baker quarry near Billmeyer, Lancaster County, Pennsylvania, where it occurs as an alteration...well-known Silver Hill occurrence in Davidson County, and the McMakin mine in Cabarrus County (Genth 1891);...1891); and mines of the Virgilina district, Halifax County, Virginia (Dietrich 1990). The great silver occurrences...locally abundant acanthite. Many mines of the Colorado mineral belt contained important amounts of acanthite |  | | Report (issue) | | the Poncha Springs NE Quadrangle, Chaffee County,Colorado By RALPH E. VAN ALSTINE With a section on ... 626 Prepared in cooperation with the Colorado State Mining Industrial Development Board UNITED STATES...rocks _____________________________ _ Gneissic quartz monzonite ______________ _ Tabular intrusive rocks...Van Alstine and Doak C. Cox _________ _ Colorado-American mine ______________ -_Delay adit and Lloyd shaft...shaft ____ --_-----_Manganese Hill and Chimney Hill mines_Last Chance mine _________________ -_-_Other |  | | Report (issue) | | 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado By BRUCE BRYANT GEOLOGICAL SURVEY PROFESSIONAL...A study of an area at the intersection of the Colorado mineral belt with the west flank of the Sawatch...Counties, Colorado (Geological Survey Professional Paper 1073) Bibliography: p. 123 1. Geology Colorado Aspen...Aspen region. 2. Mines and mineral resources Colorado Aspen region. I. Title. II. Series: United States............... ............. Mixed quartz diorite, pegmatite, quartz monzonite, and mica schist and gneiss |  | | Report (volume) | | nos. 1, 2. Boston, Mass. American Institute of Mining Engineers: Bulletin, nos. 121-132; Transactions...Mineralogist, vol. 2. Philadelphia, Pa. American Mining Congress: Report of Proceedings, 19th Annual Session...nos. 1-9. San Francisco, Cal. California State Mining Bureau: Bulletin, nos. 72-75. San Francisco, Cal...Summary report for 1916. Ottawa, Ont. Canadian Mining Institute: Monthly Bulletin, nos. 57-68;. Transactions...Transactions, vols. 19, 20. Ottawa, Ont. ' Canadian Mining Journal, vol. 38. Toronto and Montreal, Canada |  | | Report (issue) | | LODGE CANYON QUADRANGLES, LINCOLN COUNTY, NEVADA, AND IRON COUNTY, UTAH by Myron G. Best, Jeffrey D....Pleistocene time are from provisional ages reported in Richmond and Fullerton (1986). Age assignments for surficial...Color Charts (Munsell Color, 1973)]. Hill-slope deposits Boulder to sand-sized rock fragments that have...accumulated on hill slopes. Two types of hill-slope deposits have been mapped, but the hill-slope deposits...from the underlying bedrock. Qt Talus (Holocene)--Hill-slope deposits of angular fragments of rhyolite |  | | Show/Event (guide) | | Carolina, South Dakota, and Tennessee Shows 29 Colorado Shows 46 Texas Shows 31 Denver Gem & Mineral...Contact Xpo Press at P.O. Box 740864, Arvada, Colorado 80006 USA; International 1 -(720) 946-2808; Toll-free...& Mineral Society... 32 Colorado Independent Warehouse Show..... 33 Colorado Mineral & Fossil Show.....in a snowy lot behind a WalMart in Westminster, Colorado, not far from my house. Fired. Team sales quotas...After a lunch we shared at El Rancho in Evergreen, Colorado — over 17 years ago — I agreed to produce full-color |  | | Report (issue) | | The Eureka Mining District Nevada By THOMAS B. NOLAN GEOLOGICAL SURVEY PROFESSIONAL PAPER 406 Prepared...age _________________ _ Quartz diorite _____________________________ _ Quartz porphyry ___________________________...Diamond tunnel thrust zone ________________ _ Ruby Hill thrust zone ______________________ _ Dugout tunnel...Jackson-Lawton-Bowman normal-fault system __ Ruby Hill normal fault _____________________ _ Page Page...Ridge-Spring Ridge block _________ ------Conical Hill anticline _______________________ _ Structural features |  | | Book | | 1899-1900, pp. 256-263, and in the New Zealand Mining Handbook, 1906, pp. 500-519. " 1909. Additions...Reports : Papers and Reports relating to Minerals and Mining the annual report of the New Zealand Mines Department...: Campbell Island (Marshall, Trans. under See Quartz. (Marshall) : Dusky Sound See Valencianite....(Skey, Lab. var. of Epidote) : Westport 31). district, in diorite (G.S. 1913) Parapara (Thomson, Trans...See under Quartz. Amianthus (a fine silky form of Asbestos) : A common : Arrow district (Skey, Lab |  | | Report (issue) | | science for a changing world Relations Between The Richmond Mountain Thrust> And The Crescent Valley-Independence...Valley-Independence Lineament, Lynn Window, Eureka County, Nevada by Stephen G. Peters Open-File Report 99-329 1999...Bob's Flat quadrangle area Figure 3. Relation of Richmond Mountain area to the CVIL 3 4 12 List of Tables...from the Richmond Mountain area. 11 List of Plates Plate 1. Geologic map of the Richmond Mountain...area, Lynn window, Eureka County, Nevada in back RELATIONS BETWEEN THE RICHMOND MOUNTAIN THRUST, AND THE |  | | Journal (issue) | | n Stamps Robert G. Myers 208 Smoky Quartz in the Libert y Hill Pegmatite Dick Dayvault 214 Turquoise...Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A General History of Zinc Mining in Arkansas...stones only. In most instances, stamps depicting mining only (no rocks or minerals) have been excluded...America. the list of jewelry, minerals, artifacts, gold, and silver on stamps compiled by G. G. Young of...CZECHOSLOVAKlA July 1, 1974 1 c amethyst 2 c agate 3 c quartz 4 c niccolite 5 c moss agate 7 c agate 10 c stilbite |  | | Journal (issue) | | n Stamps Robert G. Myers 208 Smoky Quartz in the Libert y Hill Pegmatite Dick Dayvault 214 Turquoise...Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A General History of Zinc Mining in Arkansas...stones only. In most instances, stamps depicting mining only (no rocks or minerals) have been excluded...America. the list of jewelry, minerals, artifacts, gold, and silver on stamps compiled by G. G. Young of...CZECHOSLOVAKlA July 1, 1974 1 c amethyst 2 c agate 3 c quartz 4 c niccolite 5 c moss agate 7 c agate 10 c stilbite |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |  | | Report (issue) | | J. B., and Butler, G. M.-Arizona lode gold mines and mining: Univ. Ariz., Ariz. Bur. Mines Bull. 137...Wilson, E. D., Fansett, G. R., and others-Arizona gold placers and placering: Univ. Ariz., Ariz. Bur. Mines...Ariz., Ariz. Bur. Mines Bull. 148, 1941. Apache County 2: 17 Gregory, H. E.-Geology Prof. Paper 93, 1917...the Navajo country. U.S. Geol. Survey Cochise County 3:04 Ransome, F. L.-The geology and ore deposits...Tombstone district, Arizona: Univ. Ariz., Ariz. Bur. Mines Bull. 143, 1938. Gila County 4:03 Ransome |
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