 | | 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 (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 |  | | 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 |  | | 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 |  | | Report (issue) | | METAMORPHIC ROCKS OF THE CENTRAL FRONT RANGE. COLORADO By Dolores J. Gable ' Edited bv William. D............................. 15 QUARTZ-BIOTITE -MUSCOVITE SCHIST .................................................................................. 22 MUSCOVITE ................................................35 EARLY PROTEROZOIC PALEOGEOGRAPHY OF NORTHERN COLORADO........................ 3 6 REGIONAL STRUCTURE...Records Section, Denver Federal Center, Denver, Colorado] Page Plate 1. Geologic map of the Proterozoic |  | | 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 (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 |  | | 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) | | outcrops from Poland in eastern Onieda County to Fonda in Montgomery County, and laterally equivalent formations...Rock Products quarry in St. Johnsville, Montgomery County the quartz crystals tend to be less clear than...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phon e: 208-664-2448 Email: lanny@mineralnews.com...that the amount available was considerabl~, and mining turned to that mineral. Although much was vem material...found an extraordinary one for the L os Angeles County Museum of Natural History collection; though it |  | | Journal (issue) | | Collector's Newsletter $2.00 Pseudomorphs from Brazos County, Texas Art Smith 9118 Concho Houston, Texas 77036...Creek in the BryanCol!~ge Stallon area of Brazos County, Texas. Thin, elongate cav111esparallel to the...from petrified wood, Turkey Creek, Bryan, Brazos County, Texas, photograph by Art Smith. Mexico While...collectors were screwing things up in the West Camp, the mining company operating the East Camp (San Antonio Mine)...long enough to allow the miners to get all the mining equipment up the ramp and out of harms way before |  | | Report (issue) | | Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Gneiss and Related Rocks, East-Central Front Range, Colorado By SHERMAN P. MARSH and DOU1GLAS M. SHERIDAN GEOLOGY...and geochemical study of rutile-bearing rocks in Colorado and a description of their occurrence elsewhere...gneiss and related rocks, east-central Front Range, Colorado. Includes bibliographies. Supt. of Docs. no.:...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631 |  | | 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 (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 |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (issue) | | Basement in Colorado GEOLOGIC A I, Rock Units of the Precambrian Basement in Colorado By OGDEN TWETO...TWETO GEOLOGY OF THE PRECAMBRIAN BASEMENT IN COLORADO U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1321-A...igneous rocks in outcrop and the buried basement in Colorado UNITED STATES GOVERNMENT PRINTING OFFICE...1912-1983 Rock units of the Precambrian basement in Colorado. (Geological Survey Professional Paper ; 1321-A)...Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado. QE653.T9 1986 551.7'1'09788 I. Title. For sale |  | | 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 |  | | 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 |  | | Journal (issue) | | up a substantial portion of the bedrock of Wood County. Although this particular site has not been dated...approximately 0.5 mm high, Schill Quarry, Vesper, Wood County, WI, photo by Dan Behnke. New Finds from Peru...by the Gem & Mineral Council of the Los Angeles County Museum of Natural History. This was the results...dealers who sell books, or contact the Los Angeles County Museum at 213-763-3326 or on the web at http://nhm...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone:208-664-2448 E-mail: lanny@mineralnews.com |  | | 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 |  | | Journal (issue) | | LuminescentPhantom Quartz From Hudson,St. Croix County,Wisconsin William S. Cordua Dept. Plant and Earth...November-December, 1997 near Hudson, St. Croix County, Wisconsin has revealed some unexpectedly interesting...reached from Interstate 94. One takes Exit 2, marked County F and Carmichael Road, then turns south on Cannichael...in 1-2 mm size crystals associated with beryl, muscovite, and albite from Hu Ya, Ping Wu, Sichuan, China...and new books on minerals, mining, and mining history. These are on mining areas all over the U.S., and |  | | 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) | | STETTIN COMPLEX, WAUSAU SYENITE COMPLEX, MARATHON COUNTY, WISCONSIN. T. W. Buchholz1, A. U. Falster2, and...from a farmer’s rock pile on the north side of Evergreen Drive (EMP and DCPS); and probable tainiolite...Kola Peninsula, Russia, and Mount Malosa, Zomba district, Malawi (Mindat, accessed 12/2015). In the Stettin...pegmatite from the site on the north side of Evergreen Drive revealed four small grains of cassiterite...CAVITIES IN THE HAVEY PEGMATITE, POLAND, ANDROSCOGGIN COUNTY, MAINE. A. U. Falster and W. B. Simmons. Maine |  | | 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 |  | | 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 |
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