 | | Journal (issue) | | Pegmatites in the Pikes Peak Batholith, Central Colorado Daniel E. Kile Research Associate, Denver Museum...Nature & Science 5176 Black Bear Run - Littleton, Colorado 801215 Email: centennial87@comcast.net were sparse...throughout the Pikes Peak batholith in central Colorado, and many of them provide spectacular thumbnail-...pegmatites in the Pikes Peak batholith (PPB) in central Colorado. Although some minerals, such as fluorite, hematite...batholith, in an area north of Florissant in Teller County, taken prior to the arsoncaused 2002 Hayman fire |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. MurĀ phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (inĀ cluding quartz) was included |  | | Journal (article/letter/editorial) | | COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though ColĀ 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) | | 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 āEarly, Middle, and Lateā 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) | | DANIEL E. KILE 5176 Black Bear Run Littleton, Colorado 80125 dkile4@comcast.net Albite and Microcline...Microcline From the Crystal Peak Area Teller County, Colorado A MYSTERY REVISITED F or many years collectors...crystal from the Crystal Peak area, Teller County, Colorado; this crystal was enclosed in quartz, preserving...Crystal Peak area north of Florissant in Teller County, Colorado. The contents of this find were among the...Florissant and Lake George in Teller and Park counties, Colorado; they were also noted in amazonite specimens from |  | | Journal (article/letter/editorial) | | Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @ dmns.org PETER...Survey MS 150, Box 25046 Federal Center Denver, Colorado 80225-0046 pmodresk @ usgs.gov Unless otherwise...to 2000) J oin us for a gemstone tour around Colorado! Our field trip takes us from east to west in...in the same way you may have toured through Colorado on a mineral collecting trip. This route, from the...gemstones are known to occur. We cannot discuss every Colorado gemstone occurrence; rather, this is a general |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collectorās 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 stateās minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels ............................................Pg. 28 Chalk Creek Feldspar Field Trip - Justin Zzyzx ........................on collecting minerals in Colorado by Pete Modreski, the informative Colorado petriļ¬ed wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and |  | | Other Paper | | Gā¢ologica.l Survey Deaver Fedoral Ceļæ½ter Lakewood, Colorado 80225 a..nd Robert F. Ma.rtin Dept. of Geologicļæ½l...amazoni te. The first description of amazonite from Colorado appears to have been that of Hollister (1867)...development of the arļæ½a. ā¢ Crystals and specimens of Colorado amazonite are among the finest Ā·in the world1... Such The occurrences of such amazonite in Colorado are world-famous. Numerous articles have been... .Ā·.Ā·01orado Spgs :ā¢: ,Ā·; enne Mtn Cripple Creek ( ,ļæ½::.ļæ½ ..:-:::-: .Ā·.ā¢:-ļæ½ r. _.ā¢ . ,ļæ½,!,t-i/f |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatās 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) | | Crystal Peak area north of the town of Florissant in Colorado. In addition to being a prospector, miner, and...including Jerry Hurianek, whose longtime activities in Colorado are documented in t\vo of his unpublished articles...throughout U.S. Forest Service land along Crystal Creek: included among these was the site where the "Museum...(Continued on next page) Only $30 - postpaid in the USA Available exclusively from: Excalibur Mineral Corporation...explore other areas in Crystal Peak and elsewhere in Colorado. His wideranging interests in exploring diverse |  | | Journal (article/letter/editorial) | | inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | 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) | | amazonite chips. whose color rivals the best from Colorado and Russia. Having trave led oft en in Namibia...bringi ng something from that is not the usual amethyst/ tourmaline/ topaz stuff, but actually rea l minerals...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...and l do not. afte r a ll. approve of faceted amethyst e ither. and it is likely a necessary strategic |  | | 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 |  | | Report (issue) | | Denver, Colorado, USA Ā© 2011 by Lithographie, LLC P.O. Box 11613 ā¢ Denver, CO 80211 ā¢ 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 |  | | 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 (volume) | | be estimated from the pale rectangular step cut amethyst (left, upper group) which measures about 25 mm...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) | | be estimated from the pale rectangular step cut amethyst (left, upper group) which measures about 25 mm...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 |  | | Journal (issue) | | southern edge of coastal ~ ewport Beac h. in Orange County. This discovery constitutes firs t reported occurrence...256, 5994 South Holly Street Gree nwood Village, Colorado 80111-4251 - 9 I just got back from a trip...Vigas. Veracruz has been p rod ucing a lit tk amethyst lately. but it hasn '1 been seen muc h o n the...News, P.O. Box 2043, Coeur d 'Alen e, ID 83816-2043 USA Phone: 208-659-3035 Email: lream@m ineralnews.com...and mineral history enthusiast. $24.00 per year in USA $30.00 per year elsewhere Matrix Publishing Company |  | | Journal (issue) | | Neufunde vom "E icher Sattel"/Vulkaneifel ā¢ Denver in Colorado - die Bƶrse, die Stadt, das Land ā¢ Bergbau und...Schwefelkiesgrube Einheit bei Elbingerode/Harz Denver, Colorado - die Bƶrse, die Stadt, das Land SpektakulƤre...Goldbergbau in den Castle Mountains im San Bernhardino County in Kalifornien 12 13 14 14 16 22 27 32 36 38...Internationaler Literaturspiegel Mineralogical Record (USA) Vol. 23. Nr. 5. July-Aug. 1992 Monte Tamara, SW-Sardinien...(Teil 1) ā¢ BĆ¼cherschau. Mineralogy of the Rapid Creek and Big Fish River Area Yukon Territory (Sonderheft) |  | | 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 |  | | Report (volume) | | CHARLES D. WALCOTT, DIRECTOR A GAZE~?TEER OF COLORADO BY HEN.R Y GANNETT WASHINGTON GOVERNMENT PRINTING... _A GAZETTEER OF COLORADO. By HENRY ' GANNET,T. GENERAL DESCRIPTION. Colorado is_situated about midway...GAZETTEER OF COLORADO. through the Park Range on its way to join Green River, forming the Colorado. Middle...Mexico, the San Juan flo wing westward to the Colorado, and many branches of Gran9. and Gunnison rivers...plateau region is drained entirely by tributaries of Colorado River. The higher of these plateaus are well watered |  | | 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...Plat., Malawi, G 10 17 River Formation in Uintah County, Utah. Deer et al., v. 2A,483, 1997. Aenigmatite |
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