 | Foord, E. E., Černý, P., Jackson, L. L., Sherman, D. M., Eby, R. K. (1995) Mineralogical and geochemical evolution of micas from miarolitic pegmatites of the anorogenic pikes peak batholith, Colorado. Mineralogy and Petrology, 55 (1) 1-26 doi:10.1007/bf01162576 | Journal (article/letter/editorial) | | pegmatites of the anorogenic Pikes Peak batholith, Colorado E. E. Foord 1, P. Cern~ z, L. L. Jackson ~, D...Mineral Resources, U.S. Geological Survey, Denver, USA Department of Geological Sciences, University of...Denver, USA Branch of Geophysics, U.S. Geological Survey, Denver, USA Topometric, Bedminister, USA With...anorogenic Pikes Peak batholith (1.08-1.02 Ga), Colorado range in composition, and follow in paragenetic...topaz or fluorite, and rarely tourmaline (schorl-elbaite). Progressively younger micas of the main crystallization |  | | Journal (article/letter/editorial) | | anotlrer by the northeust-southwest-treiiiliii~ Mullen Creek-Nash Fork Shc;ir Zoiic. The older northernmost province...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter |  | | Journal (article/letter/editorial) | | COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though Col orado...(PJM), 975 (TCM) Box 25046, Federal Center Denver, Colorado 80225-0046 A ccording to Cross and Hillebrand...discovery of Colorado topaz was made about 1880 by a Mr. Thiebald,* "a prospector of Colorado Springs."...area. The largest fine-quality topaz specimens in Colorado occur in several separate and distinct localities...are also referred to the general discussions of Colorado topaz in Eckel (1961) and Pearl (1963) and to |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951,...up-to-date guidebook to the state’s minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Journal (issue) | | stations at Minerals Junior Education Day, or Spring Creek Day from a few years ago. Please contact Dave Glick...Gem & Mineral Club News June 2019 Now retired to Colorado, Dr. Carnein was an active member of NMS when...occur at the Devils Hole mine, in Fremont County, Colorado). More typically, they are on the order of...garnet (dark brown). Devils Hole mine, Fremont County, Colorado. (Carnein photo and collection) page 4 ...Carnein Lake George Gem & Mineral Club Lake George, Colorado (RMFMS) From: Lake George Gem & Mineral Club News |  | | Other Paper | | G•ologica.l Survey Deaver Fedoral Ce�ter Lakewood, Colorado 80225 a..nd Robert F. Ma.rtin Dept. of Geologic�l...amazoni te. The first description of amazonite from Colorado appears to have been that of Hollister (1867)...development of the ar�a. • Crystals and specimens of Colorado amazonite are among the finest ·in the world1... Such The occurrences of such amazonite in Colorado are world-famous. Numerous articles have been... .·.·01orado Spgs :•: ,·; enne Mtn Cripple Creek ( ,�::.� ..:-:::-: .·.•:-� r. _.• . ,�,!,t-i/f |  | | Report (issue) | | Denver, Colorado, USA © 2011 by Lithographie, LLC P.O. Box 11613 • Denver, CO 80211 • USA Phone 1.303...Topaz ALFREDO PETROV & JOHN RAKOVAN 34. Colorful Colorado DAVID W. BUNK 42. Mongolian Topaz: The Gorkhi...and quartz, 5.3 cm tall Sawtooth Mountains, Boise County, Idaho shown under longwave ultraviolet light (left)...Province, Afghanistan; San Diego County, California, and Thomas Range, Utah, USA Associated Species: In topaz...in topaz, after Foord et al., 1990 (Jefferson County) Colorado pegmatites, which formed under low water |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |  | | 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) | | amazonite chips. whose color rivals the best from Colorado and Russia. Having trave led oft en in Namibia...colorful crystals rang ing from 5 10 9 cm red elbaite on 16 cm quartz from over 20 cm. It is equally...arranged alphabetically by mineral species. the n by county within each species, simi lar to the format followed...Sokatsch. dimini shed in for example Scandinavia a nd USA the pas t years. but seems to be thriv ing in Germany...tmrod: l\linc. Silver Siar D1,1ric1 . l\bdi,on County. ~lo ntJnJ , 19 -2, 3-5, Gaber. Ca1hcnnc J . The |  | | Journal (issue) | | Menzies Pink topaz from the Thomas Range, Juab County, U ta h .........................................to Uli c/o Martin Zinn, P.O. Box 2433, Evergree Colorado 80439. I The Mineralogical Record, volume 26,...Delta Bravo Denver Box Co. Diversified Minerals Dry Creek Minerals E & R Crystals Eastern Minerals - Czech...Gems Dreamstar Productions Earth Enterprises Elk Creek Fossils Extinctions/Still Life Facop s - Spain Foothills...Chilon, Nerchinsk district, Siberia. 12 = Nathrop, Colorado. 6 The Mineralogical Record, volume 26, January-February |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...843-854, Georgetown, Clear Creek co., and at Rice, Dolores co., both Colorado, at the Questa mine, Taos...NJbMM 279, 1972. Achroite ➔ a colorless variety of elbaite or rossmanite. Acmite ➔ aegirine. Actinolite ♦ |  | | 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 |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted...Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite specimens |  | Clark, Roger N., Swayze, Gregg A., Gallagher, Andrea J., King, Trude V.V., Calvin, Wendy M. (1993) The U. S. Geological Survey, Digital Spectral Library: Version 1 (0.2 to 3.0um) Open-File Report Vol. 1993 (93-592) US Geological Survey doi:10.3133/ofr93592 | Report (issue) | | COD2005 Dumortierite HS190 D24 D27 D30 D33 D36 D39 Elbaite NMNH94217-1 Endellite GDS16 Enstatite NMNH128288...2 1 1 1 2 1 4 1 1 7 1 8 5 2 1 1 1 5 1 1 1 1 1 Elbaite Endellite Enstatite Epidote Epsomite Erionite Eugsterite...absorptions in the spectra from relatively dry Colorado are really quite small in comparison. Placing...(Mg,Fe+2 ) 5Si8022 (OH) 2 COLLECTION_LOCALITY: Colorado ORIGINAL_DONOR: Hunt and Salibury Collection ...COLLECTION_LOCALITY: Floestenthal Tyrol, Austria ORIGINAL_DONOR: Colorado School of Mines CURRENT_SAMPLE_LOCATION: USGS |  | | Book (volume) | | ct), Idaho; rectangular step cut purplish pink elbaite tourmaline (30.89 ct), Maine; round brilliant red-orange...56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...members. Searches could be confined to terrains and creek beds that expose vil Preface types of rocks...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache | | | Book (volume) | | et), Idaho; rectangular step cut purplish pink elbaite tourmaline (30.89 et), Maine; round brilliant red-orange...rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...members. Searches could be confined to terrains and creek beds that expose .. Vll Preface types of rocks...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | B. Hoover: U.S.G.S., Federal Center, Lakewood, Colorado. John M. Hughes: Dept. of Geology, Miami University...Louise Reif: U. S. G. S., Federal Center, Lakewood, Colorado. Charles B. Sclar: Dept. of Earth Sciences, Lehigh...usage) Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...Communications Chemical Society of Japan Bulletin Colorado School of Mines Quarterly Crystal Structure Reports...Ledge mine, Nevada Co., Jamestown, Tuolumne Co., Colorado quartz mine, Mariposa Co., Bonanza mine, Trinity |
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