 | | Journal (article/letter/editorial) | | November 2014 Covellite Summitville, Rio Grande County, Colorado Two minerals are typically formed when...periods when some chance discovery in an active mine makes them briefly available to collectors. Chalcocite...water table in deposits containing chalcopyrite and pyrite at depth. Covellite suitable for micromounts has...such localities as the Loudville mine, Easthampton, Hampshire County, Massachusetts; Mineral Hill, WakeFigure...Figure 3. An aesthetic specimen from the East Colusa mine, Butte, Montana, consisting of sharply developed |  | | Report (issue) | | VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 19 GOLD IN VIRGINIA Palmer C. Sweet COM MONWEALTH...CHARLOTTESV]LLE, VIRGINIA 1980 VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 19 GOLD IN VIRGINIA Palmer...Palmer C. Sweet COMMONWEALTH OF VIRGINIA DEPARTMENT OF CONSERVATION AND ECONOMIC DEVELOPMENT DIVISION OF...Geologist CHARLOTTESVILLE, VIRGINIA 1980 FRONT covER: Large open-cut County, as photographed in 1939...London and Virginia mine, Buckingham VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 19 GOLD IN VIRGINIA |  | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Report (issue) | | VIRGINIA DIVISION OI MINERAT RESOURCES PUBTICATION 45 VIRGINIA GOID-RESOURCE DATA Polmer C. Sweet...Sweet ond Dqvid Trimble CO'N'NONWEALTH OF VIRGINIA DEPARTAAENT OF CONSERVATION AND ECONO'vlIC DIVISION... VIRGINA 1943 VIRGINIA DIVISION OF MINERAT RESOURCES PUBTICATION 45 VIRGINIA GOLD-RESOURCE DATA Polmer...at the old Melville mine near l,Jilderness, 0range County. (photograph from "Gold Seekers Turn Again to...volume 39,.|934). VIRGINIA DIVISION OF RESOURCES PUBLICAIION 'YIINERAI VIRGINIA GOID.RESOURCE DATA |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph...Castor PART PART Il MINERAL DEPOSITS Carlin-Type Gold Deposits MINERAL CATALOG Nevada Mineral Catalog...Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...242) Gold, Mexican Mine Gold, Majuba Placer Pyromorphite after Galena with Conichalcite Gold, Round |  | | Report (issue) | | DEPOSITS OF THE CALAVERITAS QUADRANGLE CALAVERAS COUNTY, CALIFORNIA SPECIAL REPORT 40 UN.VtRSITY OF...l-A. Sierra Blanca limestone in Santa Barbara County, CaliGeorge W. Walker. 1950. 5 pp., 1 pi. Price...Price 250. Commercial "black granite" of San Diego County, California, by Richard A. Hoppin and L. A. Norman...of the San Dieguito pyrophyllite area, San Diego County, California, by Richard H. Jahns and John F. Lance...Price 250. Geology of Bitterwater Creek area, Kern County, California, by Henry H. Heikkila and George M |  | | Report (issue) | | geographic coordinates and, where applicable, by county and section, township, and range. Both published...nickel-plus-copper in the deposit. The Gap mine (Pennsylvania) and the San Julian mine (California),are examples of...magnetite orebodies. i amounts of cobaltiferous pyrite. These contain minor The Cornwall and Grace mines...deposits varies widely. Some, like the Bluebird mine (Arizona), are small deposits containing 16 mostly...the Standard mine (Oregon), the , cobalt minerals are associated with considerable gold, and copper is |  | | Journal (article/letter/editorial) | | Geological Map of Tennessee. Compiled by Olaf P. Jenkins (A. H. Purdue, State Geologist). Review by R. D... Geology and Geography of a Portion of Lincoln County, Wyoming. By Alfred Reginald Schultz. Review by...by T. T. Q. . Geology of the Gold Belt in the James River Basin, Virginia. By StephenTaber. Reviewby...Reviewby R. C. M. .......... 727 Gold Belt in the James River Basin, Virginia,Geologyof the. By StephenTaber...A. Stephenson James River Basin, Virginia, Geology of the Gold Belt in the. 690 685 18o 620 826 534 |  | | Report (issue) | | Epithermal Gold Deposits Part 1! U.S. GEOLOGICAL SURVEY BULLETIN 1857-1 AVAILABILITY OF BOOKS AND...(Stop 533), Rm. 3128. 345 Middlefield Rd. RESTON, Virginia-503 National Center, Rm. 1C402,12201 Sunrise Valley...Twelfth Ave. Chapter I Epithermal Gold Deposits Part II Geology and Gold Deposits of the Oatman District...Geology and Gold Deposits of the Marysville Mining District, Montana By JAMES W. WHIPPLE Gold Deposits...Deposits of the Boulder County Gold District, Colorado By JAMES A. SAUNDERS Part I is Chapter H U.S. GEOLOGICAL |  | | Report (volume) | | vols. 9, 10. Sharon, Mass. Copenhttgne, Museum de mine"ralogie et de ge"ologie, cle PUniversite' de Copenhague:...pale"ontologiques, nos. 41, 44-46, 48-50; Contributions mine"ralogiques, no. 24. Kobcnhavn, Denmark. Denison... Vt. Virginia Academy of Science: Proceedings, 1932-33, 1933-34. Charlottesville, Va. Virginia Geological...5; Journal, vols. 38, 39. Evanston, 111. West Virginia Academy of Sciences: Proceedings (W. Va. Univ...), vols. 6, 7, 9, 11. Morgantown, W. Va. West Virginia Geological Survey, Mimeographed series I: Bulletins |  | | Journal (issue) | | specimens in 5 figures. Locally, Canon City has the Gold Mine Rock Shop west of town, Nathrop has the Rock Doc...Sep 2020 The Summitville Mine in the San Juan Mountains of Rio Grande County, Colorado, has received much...Rocks containing the coppergold-silver ore at the mine are hosted by the 22 Ma. South Mountain Volcanic...minerals. Placer gold was discovered, perhaps by 1860, in the San Juan Mountains while lode gold was found at...production of ~258 ka troy ounces of gold. In 1984 an open pit mine was constructed and a large heap leaching | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...PART IV PART II MINERAL DEPOSITS Carlin-1:,. pe Gold Depo!:>its (Jresor}' c. Nevada Mineral Catalog...Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hen1in1orphite Azurile Barite, N1eikJe Mine Barite, '\forthun1berland Mine Bante, Rosebud t1ine Barile v;ith |  | | Report (issue) | | VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 62 MINERALS FOR VIRGINIA Harry W. Webb and John P...P. Moore COMMONWEALTH OF VIRGINIA DEPARTMENT OF MINES, MINERALS AND ENERGY DIVISION OF MINERAL RESOURCES...VIRGIN IA 1985 VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 62 MINERALS FOR VIRGINIA Harry W. Webb...Webb and John P. Moore COMMONWEALTH OF VIRGINIA DEPARTMENT OF MINES, MINERALS AND ENERGY DIVISION OF MINERAL...for erops. VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 62 MINERALS FOR VIRGINIA Harry W. Webb |  | | Report (volume) | | further subdivided by geographic areas (State and county) and by subjects, which include general, geology...the White Mountains, Mono County, Calif., and near Hawthorne, Mineral County, Nev. KYANITE Kyanite generally...deposits are in the Piedmont belt of crystalline rocks extending from Virginia to Alabama. They occur at...Mountain, Prince Edward County, and Willis Mountain, Buckingham County, in Virginia, and at Henry Knob, near...near Clover, York County, S.C. These are the only deposits now producing kyanite in the United States |  | | Report (volume) | | Boletin de Miuas, nos. 5, 6. Habana, Cuba. Delaware County Institute of Science: Proceedings, vol. 8, no....1917-18. Burlington, Vt. SERIALS EXAMINED. 7 Virginia Geological Survey: Administrative report, 1918-19;...Chicago, 111. West Virginia Geological Survey: County Reports, Fayette County, Wehster County. Morganton, W...1920]. (with Wiuton, W. M.). The geology of Tarrant County: Texas, Univ., Bull. no. 1931, 123 pp., 6 pis.... 1920. Arey, Melvin F. 35. Geology of Ringgold County: Iowa Geol. Survey, vol. 27, pp. 33-64, 6 figs |  | | Report (issue) | | & Engr TN 2^ C3 A3 NO. 193 C.2 GOLD DISTRICTS OF CALIFORNIA BULLETIN 193 California Division...Mines and Geology Sacramento, California, 1970 GOLD By William B. DISTRICTS OF CALIFORNIA Clark...though Nugget. This 201 -ounce (troy) cluster of gold on display in the Division of Mines and Geology...Geology San Francisco's Ferry Building. Melted down as gold, it would be worth tome seven or eight The Fricof...been written on gold and gold mining of publications have no single report or to the gold deposits in |  | | Report (issue) | | AND CLAY MINERALOGY OF THE CHIEFTAIN MINE, DINOSAUR RIDGE, PATCH MINE, AND OTHER LOCALITIES ALONG THE FRONT..................................... 18 Chieftain mine ......................................................... 49 Virginia Canyon Road .......................................... 49 Patch mine....................................................... 52 Mine workings and geology ............................................... 67 Nederland; mining in Boulder County .............................. 67 Boulder Canyon |  | | Journal (issue) | | SAN BERNARDINO COUNTY" -T —• - Vol. XXXVII No. 1 — i ■&- February, 1990 QUARTERLY THE MINERALOGY...MINERALOGY OF THE MOH/WK MINE _ SAN BERNARDINO COUNTY, CALIFORNIA r O' " •: u. o~r William S. Wise ■rrz...■rrz SAN BERNARDINO COUNTY BOARD OF SUPERVISORS Barbara Cram Riordan, Chairman, Third District Larry Walker...Fourth District Fifth District COUNTY OF SAN BERNARDINO Harry M. Mays, County Administrative Officer Albert...D. Griesemer, Museums Director SAN BERNARDINO COUNTY MUSEUM COMMISSION Ralph Strane, Rancho Cucamonga |  | | Report (issue) | | OF MINES FERRY BUILDING, SAN FRANCISCO OLAF P. JENKINS, Chief SAN FR-\NCISCO BULLETIN II JULY 142...1947 Prepared under OLAF P. the direction of JENKINS CONTRIBUTING AUTHORS Charles V. Averill Oliver...of the Chief of the Division of Mines, Olaf P. Jenkins. This bulletin represents the Division's annual...summary of the mineral resources of each and every county in the state. For the first time all the essential...44 Alameda County Alpine County Amador County Butte County Calaveras County Colusa County Contra Costa |  | | Report (issue) | | 9.126? x-> n fi/c. 7£ Gold, base-metal, and related deposits of North Carolina 1011 by Gwendolyn...457-0*4 9.1267 Gold, base-metal, and related deposits of North Carolina Abstract Gold, silver, copper...copper, lead, zinc, pyrite, tinf-, cobalt, 5- molybdenum, tungsten, barite, and rare-earths have been mined...mined in North Carolina. Gold, with by-product silver, occurs in veins and mineralized shear zones in...pyrrhotite-pyrite deposits in 11 crystalline rocks west of the Blue Ridge. 12 complex ores of gold, copper |  | | Report (issue) | | 119 . 3 :1857-G Gold in Placer Deposits U.S. GEOLOGICAL SURVEY BULLETIN 1857-G 90-181 p GEORGIA TECH...ONLY from the 345 Middlefield Rd. • RESTON, Virginia--503 National Center, Rm. 1C402, 12201 Sunrise... Chapter G Gold in Placer Deposits Gold Placers By WARREN YEEND and DANIEL R. SHAWE Gold Deposits in...in the Virginia City-Alder Gulch District, Montana By DANIEL R. SHAWE and KENNETH L. WI ER U.S. GEOLOGICAL...GEOLOGICAL SURVEY BULLETIN 1857 GEOLOGY AND RESOURCES OF GOLD IN THE UNITED STATES DANIEL R. SHAWE and ROGER P |  | | Report (issue) | | STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY GOLD DEPOSITS OF THE WESTERN SIERRA NEVADA Field Trip...source of the bulk of California's past gold production. Although gold mining decreased greatly in the years...and following World War II, dramatic increases in gold prices coupled with advances in extractive techniques...famous Mother Lode and East Belt and West Belt (fig. 1), large amounts of gold have also been taken from...agreed that the strata of the western metamorphic belt occur in several separate fault-bounded structural |  | | Report (issue) | | Bibliography for Acid-Rock Drainage and Selected Acid-Mine Drainage Issues Related to Acid-Rock Drainage From...in Hickman County, Tennessee. Bibliography for Acid-Rock Drainage and Selected Acid-Mine Drainage Issues...Acting Director U.S. Geological Survey, Reston, Virginia: 2015 For more information on the USGS—the Federal...Bibliography for acid-rock drainage and selected acid-mine drainage issues related to acid-rock drainage from...........................................11 Acid Mine Drainage....................................... |  | | Journal (issue) | | Copper Mine, Trinity County, California . Mines and Mineral Deposits of Mariposa County, California...BUILDING. SAN FRANCISCO OLAF VOL. 53 P. 11 JENKINS. Chief JANUARY- APRIL 1957 NOS. CALIFORNIA...DeWitt Nelson, Director DIVISION OF MINES P. JENKINS, Chief OLAF Headquarters Third Floor, Ferry Building...centers of the state; exhibits of minerals, rocks, mine models, of its headquarters offices in ; etc...Page Geology of the Island Mountain Copper Mine, Trinity County, California, by Melvin C. Stinson 9 Mines |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu Bornite Dzhezkazgan Mine, Dzhezkazgan Karagandy Province, Kazakhstan S ...zinc that is used as imitation gold, so I assume that the color is a gold or coppery-brown. Bornite was...chalcopyrite, and covellite. It can replace chalcopyrite, pyrite, tetrahedrite, galena, rammelsbergite, and hematite...localities in the United States: Butte, Silver Bow County, Montana. Butte has been called “the richest hill...Bornite with quartz and pyrite, 11 × 9 × 4 cm, from Butte, Silver Bow County, Montana. Montana Tech Mineral |
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