 | | Journal (article/letter/editorial) | | COLORADO TOPAZ Topaz, Al Si0 (F,OH) is one of Colorado's better known gem minerals. Though Col orado...orado topaz may not compare in size with that found in Brazil, gemmy crystals up to 4 inches have been found...(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."...been in the Crystal Park area. The largest fine-quality topaz specimens in Colorado occur in several separate |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collectorâs 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 stateâs minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Report (issue) | | Precambrian Crystalline Rocks, Park and Jefferson Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER...Precambrian Crystalline Rocks, Park and Jefferson Counties, Colorado By C. C. HAWLEY and R. A. WOBUS...DEPOSITS OF THE SOUTHERN TARRYALL REGION, PARK AND JEFFERSON COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...rocks, Park and Jefferson Counties. (Geology and ore deposits of the southern Tarryall region, Park and...and Jefferson Counties, Colorado) (Geological Survey Professional Paper 608-B) Bibliography: p. Includes |  | | 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...through Colorado on a mineral collecting trip. This route, from the plains to the mountains, allows us...gemstones are known to occur. We cannot discuss every Colorado gemstone occurrence; rather, this is a general |  | | Journal (issue) | | CHAPTER REPRESENTATIVES (ALSO BOARD MEMBERS) COLORADO CHAPTER: Jeff Self; selfawareminerals@gmail.com...tourmaline mining at the Himalaya mine, San Diego County, is rife with conflicts by men who truly believed...sold, with mailing postage prepaid to continental USA addresses at $15 per copy. Requests for purchase...Awards at the Denver Gem and Mineral Show, Denver, Colorado September 15-17, 2017 Two educational awards,...to the Western Museum of Mining and Industry, Colorado Springs for their eleven cases with the theme |  | | Journal (article/letter/editorial) | | the cliffâs of Glen Cove to South Park and the Tarryall Mountains. Researchers have subdivided that...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 âEarly, Middle, and Lateâ 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) | | 04 August 2017 MEMORIAL TO EDWIN J. OVER The Colorado mineral collecting fraternity and scientific mineral...Mile Hill area, some distance south of Gunnison, Colorado. He had evidently been collecting mineral specimens...fifty-eight years of strenuous life. He had attended the Colorado School of Mines, but never attained a degree;...Alaska; the well-known topaz crystals from the Devil's Head locality in Colorado; and the gorgeous red...exception was his effort, with John Alexander of Colorado Springs, in the cliffs above Glen Cove, on the |  | | Journal (article/letter/editorial) | | was born in Missouri in 1903. We first came to Colorado in 1908, but I donât remember much about that...several times in the next few years. When visiting Colorado, my family always stayed at the Iron Springs Chateau...those in my cabinet. In 1920, when we moved to Colorado Springs from Missouri, a friend, about my age...agates and carnelian from Austin Bluffs here in Colorado Springs. Shortly after that I met Willard Wulff...Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205 Unless otherwise noted, all |  | | Report (issue) | | 14: Topaz Perfect Cleavage ISBN 978-0-9790998-9-2 Publisher Lithographie, LLC Denver, Colorado, USA...Lithographie, LLC P.O. Box 11613 ⢠Denver, CO 80211 ⢠USA Phone 1.303.495.5521 ⢠Fax 1.303.482.1238 www.lithographie...United States of America Photo Credits Cover: Topaz, 3.5 cm tall Capao Mine, Ouro Preto, Minas Gerais...Sigerman collection Robert Weldon photo Above: Topaz, 5.5 cm tall El Chalten, Santa Cruz, Argentina Scott...brooch/pendant is set with topaz from three different localities. Two Brazilian "Imperial" topaz gems make up the |  | | Journal (article/letter/editorial) | | 04:13 19 December 2014 Mount Antero, Chaffee County, Colorado A s virtually every collector knows, many...and some districts, such as those in San Diego County, California, and many of those in Minas Gerais...museum and private collections, as do somewhat rarer topaz, garnet, and phenakite specimens. Perhaps Americaâs...aquamarine localities, Mount Antero, Chaffee County, Colorado, was highlighted by Jacobson and Lees (2008)...and other veins. Commonly associated minerals are topaz, beryl, Dr. Robert B. Cook, an executive editor |  | | Journal (issue) | | 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels ...................on collecting minerals in Colorado by Pete Modreski, the informative Colorado petriďŹed wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and...Rocks; Crystal Park; Glen Cove; Florissant, Lake George, and Crystal Peak; the Tarryall Mountains; Harris Park; |  | | Report (volume) | | octahedron. Ready cleavage, however, can be a handicap; topaz and kunzite, for example, are difficult to cut into...Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each mineral...to lapis lazuli and other blue stones; the term "topaz," to all yellow stones; and 206 CONTRIBUTIONS...some of the tints rarely found in nature. Yellow topaz from Brazil can be heated carefully and cooled to...permanent pink, resembling the rare, natural pink topaz. In a similar manner a colored zircon may be heat-treated |  | | Report (issue) | | Badger Flats) Beryllium Area, Park and Jefferson t:-1 Counties, Colorado g ~ s:p ~ I> li:tl ~ GEOLOGICAL...(or Badger Flats) Beryllium Area, Park and Jefferson Counties, Colorado By C. C. HAWLEY GEOLOGY AND ORE...DEPOSITS OF THE SOUTHERN TARRYALL REGION PARK AND JEFFERSON COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...DEPOSITS OF THE SOUTHERN TARRYALL REGION PARK AND jEFFERSON COUNTIES, COLORADO GEOLOGY AND BERYLLIUM DEPOSITS...(OR BADGER FLATS) BERYLLIUM AREA PARK AND JEFFERSON COUNTIES, COLORADO By c. c. ABSTRACT The Lal\:e |  | | Journal (article/letter/editorial) | | Mineral Show DENVER, COLORADO REGINA MODRESKI 8075 West Fremont Drive Littleton, Colorado 80123 W O R D I...area are very close to their geology. The Rocky Mountains forming the western skyline are a vivid reminder...ROCKS AND MINERALS In this setting, and with Colorado boasting some 700 minerals, numerous gemstones...the 1930s, when the Colorado Mineral Society sponsored shows at the Jef ferson County Fairgrounds. I n...of about 900 members. The member clubs are the Colorado Mineral Society, Denver Gem and Mineral Guild |  | | Journal (article/letter/editorial) | | Mineral Collecting, 1960 ONTARIO, MICHIGAN AND COLORADO. By KEN FISHER Downloaded by [University of Florida]...above one's previous standard. On gan, then on to Colorado and return. this trip I was fortunate enough to...down the shaft after they autoin Lake George, Colorado on July 16. matically dumped their ore into someIt...to get the origin of the name of the village of "Topaz", Mich., but could not find out how it got its name...name. At a small eating place in or near Topaz, we had some wonderful doughnuts. Beyond Duluth is a most |  | | Journal (article/letter/editorial) | | Vol. 20 SOCIETY OF' AMERICA MAY, 1935 No.5 COLORADO PEGMATITES KBNNBTU K. Lauons, Unioersity of Kansas...in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President February 2020...of the Western Museum of Mining & Industry in Colorado Springs. He is currently working on a study of...gold mines. COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 February...Denver Mining Club weekly meeting, Martin Palkovic, Colorado Geological Survey, Cretaceous Sedimentary Bedrock...ReturnFlows to the Arkansas River, Southeastern Colorado. Golden Corral Buffet & Grill, 3677 South Santa |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President July 2017 PICK&PACK...Pg13 Bradâs Bench Tips Pg13 Classifieds Pg15 Colorado Springs CO 80918 Please note: Attendance is limited...issue. Thank you! COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 July...YMCA is located at 2380 Montebello Drive West in Colorado Springs. For more information on any of the sub-groups...multi-day event at the Bear Basin Ranch in southern Colorado, south of Canon City. âGary Ziegler, ranch owner |  | | Journal (issue) | | cavity. The only locality data was given as Blaine County, Idaho. The specimen was probably from the collection...1995), but found no location of ferberite in Blaine County. So I went Fig. 1 Ferberite showing twinning,... microcrystals, Corral Creek, Camas County, Idaho. Continued on page 9 Denver Shows of 2001 Continued...apophyllite (not of heulandite) from a new find in Custer County, Idaho. These pseudomorphs are quite spectacular...should probably read: Mina Tiro Estrella, Capitan Mountains, Lincoln Co., New Mex ico. The last two locations |  | | Journal (issue) | | CONTENTS FOR APRIL, 1934 PAO!! Topaz in the Tarryall Mountains of Colorado. By Willard W . Wulff ........................ The Kau Desert, Hawaii National Park, By Wendell 0. Stewart Mineral Hill Today, By Louis...Vot. 9, No. 4 W HOLE No. 34 TOPAZ IN THE TARRYALL MOUNTAINS OF COLORADO By WILLARD W. WULFF 1225 E. Platte...and colors in man.r localities in the state of Colorado. :\Jost of tbese localities were discove reu iu1d...search of that precious metal. GOLD. The first topaz " ¡as found in 1880⢠by one of these prospectors |  | | 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...miles, its terrain and geology vary from rugged mountains composed of igneous and metamorphic rocks to high...and J. A. Mur 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 |  | | Journal (issue) | | England Richard C. Erd U.S. Geological Survey Menlo Park, CA Donald R. Peacor University of Michigan Ann...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 |  | | Journal (issue) | | TOPAZ, I J.INERALOGICAL RECORD JANUARY-FEBRUARY 1995 ⢠VOLUME 26 NUMBER 1 ⢠$10 Wayne & Dona Leicht...England Richard C. Erd U.S. Geological Survey Menlo Park, CA Steven R. Morehead Riverside, CA Donald R. Peacor........ 5 by M. A. Menzies Pink topaz from the Thomas Range, Juab County, U ta h ........................Lichte & P. H. Briggs FM-TGMS-MSA Symposium on topaz...................................................Columns Notes from the editor by W. E. Wilson TOPAZ, COVER: TOPAZ crystals to 4 cm, on matrix, from Ghundao |  | | Journal (article/letter/editorial) | | Granite- a rare-metal-rich Precambrian pluton, Colorado, USA G. A. DESBOROUGH, S. D. LUDINGTON, AND W. N...N. SHARP US Geological Survey, Denver, Colorado, USA SUMMARY. The Precambrian Redskin stock is a highsilica...monazite, and xenotime are sparse, and cassiterite and topaz very rare. The principal residences of Sn, Nb, and...igneous rocks which are hosts for molybdenite ore in Colorado (Desborough and Sharp, I978; Desborough et al...George syenitic ring complex (Wobus and 105 o COLORADO 39* o, ,,o 2,0 ~0, .0, K.Lo~E.~ FIG. I. Simplified |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ÂĽem 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...Region Seven Keys to the Rocky Mountains Historical Atlas of Colorado American Gem Trails Nature As Sculptor: |
|
Tarryall Mountains, Park County, Colorado, USA