 | | Report (issue) |
| IN CHAFFEE, FREMONT, AND JEFFERSON COUNTIES, COIO. By WALDEMAR LINDGREN. INTRODUCTION. Colorado is not...contributed to this output, but only two Lake (Leadville district) and San Juan yielded notable amounts. The Leadville...Juan County slightly exceeded 1,500,000 pounds. The copper ores, properly so called, of Colorado comprised...which one-half came from San Juan County. It may be said that Colorado does not contain a single copper...prominence. Of the counties mentioned in the title Chaffee produced 349,466 pounds of cop'per from 6,249 tons |
 | | Report (issue) |
| Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATES· GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale...__ ___ __ __ __ __ __ _____ Kokomo (Ten ~ile) district _______ ._________________________ Breckenridge |
 | | Report (volume) |
| 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 |
 | | Report (volume) |
| Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado U,S. GEOLOGICAL SURVEY BULLETIN 1550 , Precambrian...Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado By DOUGLAS M. SHERIDAN and WILLIAM H. RAYMOND...zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. (Geological Survey bulletin ; 1550) Bibliography:...Geology, Stratigraphic-Precambrian. 3. Geology-Colorado. I. Raymond, William H. II. Title. III. Series...potential . . . . . . . . Deposits in other areas in Colorado Distribution and significance of gahnite Economic |
 | | Journal (article/letter/editorial) |
| of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection, photographer...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper. Nearly 100...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 |
 | | Journal (article/letter/editorial) |
| METAMORPHOSED PROTEROZOIC BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE...metamorphosed to the amphibolite and granulite facies in Colorado, many of which are spatially associated with Mg-rich...massive-sulfide deposits in Mg-rich alteration zones in Colorado, causes a marked enrichment in the spinel component...guide, massive sulfides, magnesium enrichment, Colorado. SOMMAIRE Le spinelle zincifère [(Zn,Fe,Mg)Al2O4]...treize gisements de sulfures protérozoïques au Colorado qui ont atteint le faciès amphibolite ou granulite |
 | | Book (edition) |
| — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |
 | | Report (issue) |
| 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 |
 | | 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 |
 | | Journal (issue) |
| Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 • 3 E-mail: lream@comtch.iea...V anadiun1 l\'line, l\fagnet Cove, Hot Springs County, Arkansas is Reclaimed and Collecting Ceases...the day that open-pit mining would reveal its expected buried treasures. Mining by Union Carbide for vanadium...a lifetime. There was always hope that renewed mining would hit the mineral bonanza but now that hope |
 | | Report (issue) |
| PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL.1 INTRODUCTION...brief account of the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder...for information concerning this important mining district. The area considered lies 30 to 35 miles west...Kocky Mountains. It is the oldest lode-mining region in Colorado, and its discovery in 1859 was the occasion...area includes the productive portions of Gilpin County and small adjacent parts of Boulder and Clear Creek |
 | | Report (volume) |
| it helpful to refer to 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 of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |
 | | Journal (issue) |
| dominates the city view and is a reminder of the mining activity that started in the early 17th century...is a new mineral for this famous classic silver mining locality as well as for Spain; a remarkable contribution...is a new mineral for this famous classic silver mining locality under today's name Hodrusa-Hamre, Central...The cinnabar is associated with sphalerite. chalcopyrite, pyrite, galena, and quartz crystals. The pyrargyrite...specimen of cinnabar ever found at this locality since mining began there in the 16th century. Manganocolumbite |
 | | Journal (issue) |
| 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona.................................81 by...Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado...in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles, and a great...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section...meteorites, rare bo collector-quality gemtones, mining memorabilia, and who knows i else. Practical information |
 | | Book (edition) |
| MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |
 | | Journal (article/letter/editorial) |
| ORES OF GILPIN E•soN COUNTY, COLORADO. S. BASTIN. INTRODUCTION. An exhaustive report on the economic...geology of Gilpin County and adjacentportionsof Clear Creek and Bouldercounties, Colorado,'byEdsonS. Bastinand...principalminingcentersare the following: Gilpin County ................................... ['Central...GILPIN COUNTY, COLORADO. 263 [Idaho Springs. /Gilson. -[Alice. [Dumont. Clear Creek County .........underlessdeep-seated conditions, ORES OF GILPIN COUNTY, COLORADO. 265 faulting took place. Someof the faults |
 | | Report (issue) |
| https://archive.org/details/fluorspardeposito00Oharr COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEORGE, State...State Geologist BULLETIN 18 FLUORSPAR DEPOSITS COLORADO By HARRY KAMES A. AURAND BROTHERS, STATE...-...- Governor of Colorado GEORGE UNORLING nee ee President University of Colorado VicCTOR Ct A LDERGONG...TRANSMITTAL. State Geological Survey, University of Colorado, April 29, 1920. Governor Oliver H. Shoup, Chairman...honor to transmit herewith Bulletin 18 of the Colorado Geological Survey. Very respectfully, R. D. GEORGE |
 | | 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 .................................... |
 | | Report (issue) |
| History of the Dewey Mine, Idaho County, Idaho Victoria E. Mitchell Staff Report 07-5 February 2007...Idaho 83844-3014 History of the Dewey Mine, Idaho County, Idaho Victoria E. Mitchell Staff Reports present.... . . . . . v History of the Dewey Mine, Idaho County, Idaho . . . . . . . . . . . . . . . . . . . ....reports. Annual reports on recent developments in mining in Idaho by the Idaho Geological Survey's (IGS;...accepted usage. iv History of the Dewey Mine, Idaho County, Idaho Victoria E. Mitchell1 The Dewey Mine (Figures |
 | | Journal (issue) |
| of the Walker Vein Central Kentucky Fluorspar District Alan Goldstein 1607 Washington Blvd. Louisville...area described as the Central Kentucky Fluorspar District (Anderson et al, 1982; Currier, 1923; Fohs, 1907...collectors. In brie f, the Ce ntral Kentucky Fluorspar District, which covers all or parts of 16 counties is a... Midwest Lime Quarry, Batesville, Independence County, Arkansas, photo by Art Smith. I MINERAL NEWS...News. P.O . Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 Email: lanny @mineralnews.com |
 | | Report (volume) |
| ............................................. 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 |
 | | Journal (issue) |
| Shin-Otani mine in the Tanba mining district. This manganese mining district includes 277 mines and prospects...drive away. After mining in the Kyoto area ended, little more than 20 years ago, mining and miners were...construction along Missouri highway 61 in Lewis County Missouri or at fee collecting sites around the...Shin-Otani mine into a memorial to the many Tanba mining district laborers whose hard, dirty, unhealthy, low-paid...frozen in time, still carrying out all the basic mining procedures. Numerous informative signs (miraculously |
 | | Journal (article/letter/editorial) |
| THE EVERGREEN COPPER MINE, COLORADO. :t El)SON S. BASTIN AND J. M. HILL. Introduction.--The Evergreenmine...Evergreenmine, in Gilpin County, Colo., is situatedin the valley of Pine Creek about half a mile southof...southof the little mining camp of Apex. In a region characterizedby typical fissureveinswhoseprincipalvaluesare...endomorphiceffectsof contactmetamorphism. Development.--The Evergreen mine was first worked in the early eightiesbut...both drifts and tunnelis somewhatwest of north. Mining has beenlargely exploratory; there has been no |
 | | Journal (issue) |
| is to provide details about the locality and its mining history. Location The Giles Columbite-Beryl pegmatite...granted licence M 15/210 in 16 September 1986. Mining by the partners removed a History significant amount...1951). /T~ i crystals. Nicolson is an Additional mining and Pegmatite,undifferentiated international gold...Mapmodified fromWitt middle part of the pegmatite mining completely removed(1992)andDela Hunty(1953) withadditions...microcline-quartz zone. Benjamin Nicolson and his mining partner, Darren P. Mining licence MC 15/58, which replaced the |
 | Plumlee, Geoffrey S., Streufert, Randall K., Smith, Kathleen S., Smith, Steven M., Wallace, Alan R., Toth, Margo I., Nash, J. Thomas, Robinson, Rob A., Ficklin, Walter H., Lee, Gregory K. (1995) Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology. Open-File Report Vol. 1995 (95-26) US Geological Survey doi:10.3133/ofr9526 | Report (issue) |
| Prepared by the U. S. Geological Survey and the Colorado Geological Survey in cooperation with the U. S...Colo Ro ar ing Fo rk Fulford Ri ve Frisco Evergreen Uv Uv Geneva Creek Gilman Hall's Gulch Tenmile...Round Mountain Woodland Park Riverside Ri ve r Colorado Springs Trout Creek Crested Butte Free Gold...Us Grape Creek erf Us East Beaver F Monarch Monarch Box Canyon Montrose Cripple Creek Victor...epithermal deposits--(Pyrite-enargitecovellite-chalcopyrite veins, disseminations in wallrocks intensely |
