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| Figure 1: Lustrous epidote is 3.8 centimeters in length. From the J.H. Alexander collection, Denver Museum...Collins, Colorado 80521 PIDOTE from the Calumet Iron Mine in the Turret District, Salida, Colorado The Calumet...mineral localities in Colorado. Some of the best epidote ever discovered in Colorado has come from this... and uralite pseudomorphs. The association of epidote and quartz crystals was described as early as 1877...through the town of Salida in Chaffee County, Colorado. It is located in the Turret district within the San |
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| Quadrangle, Chaffee County, Colorado GEOLOGICAL SURVEY Work done in cooperation with the Colorado State Mining...Mining Industrial Development Board PROFESSIONAL PAPER 829 Geology and Mineral Deposits of the Poncha...Poncha Springs SE Quadrangle, Chaffee County, Colorado By RALPH E. VAN ALSTINE GEOLOGICAL SURVEY PROFESSIONAL...829 Work done in cooperation with the Colorado State Mining Industrial Development Board Description...Springs SE quadrangle, Colorado Page .In pocket Index map of south-central Colorado ______ __ ____ Photographs |
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| 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 |
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| Deposits of the Poncha Springs NE Quadrangle, Chaffee County,Colorado By RALPH E. VAN ALSTINE With a section... 626 Prepared in cooperation with the Colorado State Mining Industrial Development Board UNITED STATES...Ralph E. Van Alstine and Doak C. Cox _________ _ Colorado-American mine ______________ -_Delay adit and... Geologic map of the Colorado-American fluorspar mine, Browns Canyon district. Geologic map of underground...underground workings, Colorado-American fluorspar mine. Longitudinal section showing workings along East |
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| DEPOSITION IRON MINE, x936 AT THE No. 8 CALUMET COLORADO. ⢠CHAS. H. BEHRE, JR., E. F. OSBORN, AND E....the abandoned iron mineat Calumet,ChaffeeCounty,Colorado,offeredan atĂPresented beforethe Geological Societyof...Stone, for data; and to Mr. P. J. Schlosser,of Turret, Colorado, for locatingclaimboundariesand furnishingmaps...Hills, was madeavailablethroughthe courtesyof the Colorado Fuel and Iron Company. In â˘93 â˘, Butler and Goddard... OF DISTRICT AND ACCESS. The Calumet mine is located in T. 5 ⢠N., R. 9 E., Chaffee County, central |
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| 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...prohibitions on collecting or to private land or mining claims for which permission has been obtained....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, |
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| Weather Channel Tuesdays. at 7 PM Featuring the mining operations of the Joe Dorris family, Amanda Adkins...(RMFMS) www.rmfms.org Colorado Federation of Gem & Mineral Societies (CFGMS) Colorado Springs Mineralogical...CSMS Calendar Pg 2 Calumet Iron Mine Pg 3 Colorado Extraterrestrials Pg 6 Pebble Pups Corner Pg...provided by the Fossil Group COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO April 2013 PICK SPRINGS...6:00 p.m. Lecture: 7:00 p.m. Western Museum of Mining & Industry Fri., April 12, Arvada, CO, North Jeffco |
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| SCHEELITE IN THE PRECAMBRIAN OGDEN GNEISSES OF COLORADO TWETO CONTENTS PAGE Abstract ............................................ Tarryall Springs district ......................................... Blackhawk................................................. Salida area 1412 1412 1420 ................................................ 1420 Copper Mountain district, Wyoming ............................... Other...Precambrian age has been found at several localities in Colorado and Wyoming in recent years. Most of it is disseminatedin |
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| MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¼em 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 |
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| â _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! â : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils Americaâs 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 â
COLORADO GEM TRAILS AND MINERAL GUIDE â
SKETCH MAPS BY MIGNON WARDELL PEARL |
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| 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 |
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| deposits of base-metal sulfides and gahnite, Chaffee County, Colorado By Douglas M. Sheridan and William H...standards and stratigraphic nomenclature. Denver, Colorado CONTENTS Page Abstract........................Geologic map of the Sedalia mine area, Chaffee County, Colorado.........................................other Proterozoic sulfide deposits in the Salida area, Colorado...........................................mine, about 4 mi north-northwest of Salida, Chaffee County, Colorado, is developed in a Proterozoic zinc-copper |
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| MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ 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 resourcesâColorado. 2. Mines and mineral resourcesâNew 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 |
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| San Isabel National Forest, South-Ce tral Colorado COLORADO An Assessment of the Mineral Resource...the San Isabel National Forest, South-Central Colorado By Richard B. Taylor, Rebecca j. Stoneman, and...structures 12 Mineral resources-Locatable minerals 12 Mining and exploration history 12 Metals 13 Industrial...the San Isabel National Forest, south-central Colorado Mineral resource potential map of the San Isabel...Isabel National Forest, south-central Colorado FIGURES 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. |
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| GUIDE (Cross-seaion at right) CHRYSOBERYL EPIDOTE PERIDOT SPHALERITE CORUNDUM FELDSPAR ^ PHENACITE...associated with such rocks. Because hard rock mining amateur will usually get is tedious and expensive...recent perhaps because of the decline in placer mining for gold in made dis- faces helps to distinguish...mine, Racooche Valley, White Co. 1866 Vs White County Daniel Light form, % mi. NE Less than 1887 ...Alabama has yielded a 4i%4 carat diamond from Shelby County, 30 miles south of Birmingham, found about 1900 |
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| ...........................................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 â Cochise Co. Mining Districts .................................... |
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| ................ THE ROY AL GORGE AND CENTRAL COLORADO. By J. E. Andress .............................. A vacation spent in Central and near Eastern Colorado, "The Closest State to Heaven," can be made most...various important and strategic minerals. Western Colorado or beyond the Continental D ivide doubtless holds...Beginning at Denver, the vacationist will find Colorado Springs ancl Manitou about 75 miles south at the...and petrified wood. About 40 miles southwest of Colorado Springs is pleasant Canon City on the Arkansas |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs 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 |
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| 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. 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...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |
 | | Catalog/List |
| Fairfield County, Branchville White xlline with cymatolite, good study ... New Mexico Taos County, near Dixon...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite...sodium potassium alumino-silicate Arizona Final County, Christmas Dark green cleavages in andesite .. |
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| Pumice 5. 3. II. 6. 7. 8. 9. 10. 11. Rhyolite Colorado Mass. Felsite (Aporhyolite) Quartz-Felsite Porphyry...Porphyry South Dakota Rhyolite Porphyry (Nevadite) Colorado Pumiceous Rhyolite 13. 14. 15. 16. 17. 18...Granite Mass. Binary Granite N. H. Binary Granite Colorado Biotite-Granite R. I. Biotite-Granite Vermont...Sanidine-Trachyte Colorado Trachyte Porphyry S. Dakota 23. Bostonite 27. 28. 29. Phonolite Colorado Leucite-Syenite...Monzonite Colorado Phonolite-Nephelite-Syenite Series: IV. V. Perlite Colorado Vitrophyre Colorado Rhyolite-Granite |
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| 2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Riemvasmaak South Africa 2008 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...days of Coloradoâs gold, silver, and base metal mining are past, and those who want specimens must look |
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| DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY COLORADO SCIENTIFIC SOCIETY FALL FIELD TRIP September...PROTEROZOIC VOLCANOGENIC SEQUENCES IN CENTRAL COLORADO John C. Reed, Jr. U.S. Geological Survey Trip...Leader K. Lee Shropshire University of Northern Colorado Chairman, Field Trip Committee Open-File Report...Geological Survey editorial standards Denver, Colorado 1991 INTRODUCTION1 Precambrian crystalline...exposed in the Laramide and post-Laramide uplifts in Colorado and southern Wyoming include Early Proterozoic |
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| ...........................................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 variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |
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| ...........................................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 variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |
