 | | Journal (issue) | | diffraction (XRD). (Continued on page 9 ) COLORADO MINERAL COLORADO FOSSIL EXPO & FOSSIL SHOW Holiday Inn...the new working face, where Luis and his helper Colorado Chapter: Contact: Richard Parsons, President,...Mark Jacobson (1993), Friends of Mineralogy - Colorado Chapter, P.O. Box 5276, Golden, CO 80401-5276...descriptive mineralogy. Just $45 plus $8.50 s/h USA Minerals and their Localities Over 800 pages, 8500...reference book available today! $145 plus $15 s/h USA Foreign customers: please inquire. Excalibur Mineral |  | | Report (issue) | | THE IDARADO MINE, NORTHWEST SAN JUAN MOUNTAINS, COLORADO by James N. Mayor1 and Frederick S. Fisher2 ...Formation. Calcareous rocks of the Hermosa, Molas, Leadville, Ouray and Elbert formations were metasomatized...noted. In the Hermosa Formation, this includes rhodonite-epidote, epidote-diopside and epidote-actinolite...the Leadville Formation in hole Tb29-H-l. Skarn types there include a combination of: rhodonite, ilvaite...m.y.), the Silverton caldera (27 m.y.), and the Lake City caldera (22.5 m.y.) (Lipman et al., 1973). |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |  | | Journal (issue) | | Dam gold prospect is located in central Dickinson County, Michigan, approximately ten kilometers north of...the dominant exposed bedrock in this part of the county. Excavated near the tum of the 20th century, the...obvious even when visiting some of the Garland County mines. I also planned to do some Magnet Cove collecting...Locations - TUCSON &FOSSIL SHOW™ APRIL 25 - 27, 2008 COLORADO MINERAL MINERAL SHOW Holiday Inn - Bristol Plaza...CARTERSVILLE, * Mineral & Fossil Marketplace COLORADO MINERAL FOSSIL SHOW SEPTEMBER12 - 14, 2008 |  | | Report (issue) | | ://archive.org/details/manganesedeposit0000gamu COLORADO GEOLOGICAL BOULDER R. D. GEORGE, State Geologist...BULLETIN MANGANESE SURVEY 15 DEPOSITS OF COLORADO BY G. A. MUILENBURG GHOLOGICAL BOARD - His.... Governor of Colorado CSRORGED NORDIN ones ee cere President University of Colorado Vigtoe GSA LD@RSUN:...honor to transmit herewith Bulletin 15 of the Colorado Geological Survey. Very respectfully, R. D. Gores...OF SPR 19 na MANGANESE NO OTOIC ICSETC ae COLORADO............. Location and general features.. |  | | Catalog/List | | Petrified Iron Pyrite; Leadville, Colorado Pyrite Amazonite, Florissant, Colorado Crocidolite Chrysocolla...Chrysocolla, Globe, Arizom, Rhodonite Pyrite Garnet in Schist Cuprite, Bisbee, Arizona Lodestone, Magnetic Iron...Bisbee, Arizona Rhodonite Zincite, Micaceous, Franklin, N. J. Quartz, Blue Rhodonite Copper, Michigan...Hou1Zhton Co., Michigan Carnotite, Montrose Co., Colorado Quartz var. Agale, blue, polished, Uruguay Quartz...Arizona Carnotite, Very Rich. San Miguel Co., Colorado Gold, Crystallized Leaf. Mass Hill, Nevada Co |  | | Report (volume) | | 119 120 121 122 122 123 125 125 125 125 126 127 Lake Superior region...................................ores.......................................... Leadville district..................................................................................... Colorado...................................;............................................................ Lake Superior region.......................................................................... 273 Colorado.............................................. |  | | 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 |  | | Journal (issue) | | -high specimen is from the DeMaria mine in Placer County, California. (Jeff Scovil Photo/Brett Keller collection)...mzexpos@gmail.com www.mzexpos.com Like us on facebook COLORADO MINERAL & FOSSIL SHOW SEPT. 7 - 14, 2014 ~ DENVER...BOB JONES Senior Consulting Editor Moose Lake Mistakes Lake Superior eye agate PAMELA HECHT PHOTO PAMELA...delighted to see an article on Minnesota’s Moose Lake Museum. However, the article was marred by errors...Deering as saying goethite is not often found in the Lake Superior thomsonite 6 www.rockngem.com Field |  | | Book (edition) | | dendritic masses with pitchblende at Great Bear Lake. Also with native copper as cavity-fillings in basalt...Peninsula, Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in...masses from Leadville, Silverton, Telluride, Cripple Creek, and Breckenridge districts of Colorado. Also at... and calcite are found at Joplin, Missouri. Colorado. varieties Fine crystals of dark color Excellent...Missouri. Fairly large crystals in Clear Creek County, Colorado. Very fine crystals in dolomite from French |  | | | | dendritic masses with pitchblende at Great Bear Lake. Also with native copper as cavity-fillings in basalt...Peninsula, Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in...masses from Leadville, Silverton, Telluride, Cripple Creek, and Breckenridge districts of Colorado. Also at... Fine crystals of dark color at Breckinridge, Colorado. Excellent crystals at Butte, Montana. Green varieties...Missouri. Fairly large crystals in Clear Creek County, Colorado. Very fine crystals in dolomite from French |  | | Thesis/Dissertation | | mapping technique in the Italian Mountain area, Colorado Item Type text; Thesis-Reproduction (electronic)...MAPPING TECHNIQUE IN THE ITALIAN MOUNTAIN AREA, COLORADO By Henry Albert Truebe A Thesis submitted to...tectonic setting of the Italian Mountain area in Colorado. . . . . . . . . . : ................... 2 Generalized...mapped by dividing the Italian Mountain area, Colorado into 884 100-meter grid spaces and inventory...technique was tested in the Italian Mountain area of Colorado and the resulting maps provide insights into the |  | | Book (edition) | | ............................................ Rhodonite.................................................(Insert) A Guide to Mineral Collecting at Ouray, Colorado with Notes as to the History and Geology By Ervan...Childers, Bruno Zanett, Ralph Stebbins, all of Ouray, Colorado; Margaret B. Allen, M.A., Orange, New Jersey;... INTRODUCTION TO MINERAL COLLECTING AT OURAY Ouray, Colorado sits astride U.S. Highway 550 “The Million Dollar...malevolent interference. There are some bears in Ouray County but they are very seldom seen. Nor is other wildlife |  | | Report (issue) | | Geology and Ore Deposits of the Rico District, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 723 ... Geology and Ore Deposits of the Rico District, Colorado By EDWIN T. McKNIGHT GEOLOGICAL SURVEY PROFESSIONAL...---Lower Mississippian S.eries --------------Leadville Limestone -----------------Pennsylvanian System...3. Geologic map and section of Rico district, Colorado. Maps showing geology of Nos. 4, 5, and 6 levels...some of the geology in CH C Hill, Rico district, Colorado. Maps showing the geology on the Log Cabin, Argentine |  | | Report (issue) | | The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the...Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City (Smith, 1996)...12, Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010 |  | | Report (issue) | | Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...of the Garfield Quadrangle, Colorado By McCLELLAND G. DINGS and CHARLES S. ROBINSON GEOLOGICAL SURVEY...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mitting Fund. A...Chaffee formation __________________________ _ Leadville limestone ________________________ _ Belden shale |  | | Journal (article/letter/editorial) | | the United States. Also displayed are San Diego County minerals, systematic minerals, and min eral identification...dollars in recognition of its participation in the Colorado Initia tives program throughout 1990. Carl Miller...residents of the town (or eleven hundred in the entire county) to supply every need. Any readers who feel benevolent...National Mining Hall of F a m e a n d Museum in Leadville has been in- moving from its long-standing location...S12.00—Catalog & Price Lists Kenneth Glasser Colorado G e m and Mineral Co. Uruguayan Amethyst — finest |  | | Journal (article/letter/editorial) | | mine, Colorado; Tom Rosemeyer histori cal photo. May/June: Barite on calcite, Stoneham, Colorado; Brian...Keweenawan Basalt, South Range Quarry, Douglas County, Wisconsin, W. S. Cordua, 412-415 Anatase, New...Hampshire, 303 Anglesite, Colorado, 132 Anhydrite, Colorado, 143 Ankerite, Colorado, 132, 143 Apatite, New...Hampshire, 304 Augite, Wisconsin, 414 Barite: Colorado, 133, 143, 200-222; New Hampshire, 290, 334;...Juniors Book reviews, see Media Reviews Bornite, Colorado, 143 Bothner, W. A., Fossils of New Hamp shire: |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text |  | | Journal (article/letter/editorial) | | MnCOs, but analysesH and -I from Ouray and Leadville, Colorado, fall in this zone. In the MnCO3-CaCO3seriesFords...7r365-36g(1917);fromtheJohnReed mine, Alicante, Lake County, Colorado, transparent crystals, r\r,:73o10,_20,,...crystals in the interspaces between blood-red rhodonite crystals, with 5 per cent insoluble. N. Emma mine...Japan, dense grayish rhodochrosite replacing rhodonite; with sericite and quartz. Turbid, pleochroic...(1887); from the John Reed mine, Alicante, Lake County, Colorado, rich red, transparent rhombohedrons, pleochroic |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President October 2018...Veatch Topic: The Greater Alma Mining District: A Colorado Mining Legend Please note: Members whose last...District: A Colorado Mining Legend By Steven Wade Veatch The first gold strike in Park County, Colorado was on...the Mosquito Range in the northwest part of the county at Buckskin Gulch in 1859—the same year the “Pikes...on page 10) COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 October |  | | 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 (article/letter/editorial) | | Bowen, W. C., Origin of the Zinc Ores of Sussex County, N. J., , Econ. Geol.,vol. 17, pp. 517-57t,1922...occurs in more complex ores also, as at Leadville, Colorado,s and in a small mine in southwestern New...original ore body been near an igneous rock, as at Leadville and in the New Mexico deposits, a source would...Emmons, S. F., Geology and Mining fndustry of Leadville, Colo., U. S. Geol.Suraey,Mon.12, 1886. Emmons...Laughlin, G, F., Geol. and Ore Deposits of the Leadville Mining District, Colo., I/. S. Geol.Suruey,Prof |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map .......................................... |  | | Journal (issue) | | no choice in the matter. Furthermore, the Sussex County Board of Education has ordered that all school...Minerals of Franklin and Sterling Hill, Sussex County, New Jersey, will again be available soon for purchase...and paying good prices for the quality ones. Rhodonite and franklinite crystals are particularly in demand...include the Franklin mine, New Jersey and Leadville, Colorado (Frondel and Heinrich, 1942). Recently Hewett...reported hetaerolite from the Contact Mine, Grant County, New Mexico, and the Lucky Cuss Mine, Tombstone |
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