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| Mineral Deposits of the Poncha Springs NE Quadrangle, Chaffee County,Colorado By RALPH E. VAN ALSTINE... 626 Prepared in cooperation with the Colorado State Mining Industrial Development Board UNITED STATES..._________________________ _ Banded gneiss __________________·_______ _ Hornblende gneiss _____________________ _...Nathrop Volcanics _________________________ _ Browns Canyon Formation _________________ _ Dry Union Formation...Van Alstine and Doak C. Cox _________ _ Colorado-American mine ______________ -_Delay adit and Lloyd shaft |
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| plutonic suite granite OADSIDE “%_ JrEoLocy of COLORADO SECOND EDITION Halka Chronic and Felicie Williams...ion Data Chronic, Halka. Roadside geology of Colorado.—2nd ed. /Halka Chronic and Felicie Williams....0-87842-447-4 (pbk. : alk. paper) 1. Geology—Colorado. 2. Roads—Colorado. I. Williams, Felicie, 1953- II. Title...NEW os °° of and Roads Geology Roadside of Colorado. sections =: S S Can Black Durango NP Verde...History—The Underlying Theme Comingto Terms 4 4 Colorado through the Ages 9 The Final Touch = 17 Gold |
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| —Roadside Geology Series $14.00 RCMDSIDE EOLOGY of COLORADO Halka Chronic MAP SYMBOLS SEDIMENTARY ROCKS...Dawson ill Formations Undivided Tertiary E3 z Cfl Browns Park Formation Third phase volcanics Triassic-Jurassic...♦ ¥ ♦ + Hornblende gneiss Q. Gneiss & schist roadside geology of Colorado Halka Chronic MOUNTAIN...Roadside Geology of Colorado Bibliography: p. 1. Geology—Colorado—Guide-books. Colorado. I. Title. QE91.C49...59806 (406) 728-1900 Colorado’s colorful scenery springs from colorful geology. Its broad eastern plains |
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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 |
 | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) |
| Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |
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| limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona .......Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... |
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| it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |
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| GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................Complete citations are provided on the figures.] COLORADO Gunnison and White River National Forests Mountain...Groups (USGS, 1997a)......... 46-49 Part of Colorado Springs - Castle Rock area (Trimble and Machette,......... 50 Geologic map of the St. Peters Dome district (Steven, 1949) ..................... 51 SOUTH |
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| ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................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 |
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| AND ORE DEPOSITS OF THR BRECKENRIDGE DISTlliCT, COLORADO BY :b_,REDERICK LESLIE RANSOME 'f3lfWASHINGTON..._.......................... . Situation of the district. ....... ____ . __ .. __________ ................ _. ___ ....... _..... _... _..... __ .. The district. __ ... ____ .... __ ... ___ ... ___ .. ____ .... _. __ ..... __ . _.. __ ...... . History o.f mining .. ___ .. ______ .... _. ________________ . __...____ .... _____ .. CHAPTER IV.-Structnre of the district. ................... _............. _....... __ |
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| University of California, Los Angeles Boulder, Colorado 1968 Special Paper Number 108 Copyright 1968...THE GEOLOGICAL Colorado SOCIETY OF AMERICA, Building, P. O. Box Boulder, Colorado 80302 1719 INC...easily eroded uncemented sandstone and weathered gneiss. Spread out on the alluvial apron at the foot of...The older rocks of the Blackhawk area consist of gneiss, quartzite, Carboniferous marble, and Cretaceous... such as the striking three-dimensional jigsaw puzzle effect seen in the pervasively fractured larger |
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| GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................San Isabel and White River National Forests Lake County Land Exchange Offer (Iocmin40) ......................... 47 White River National Forest Dillon District Land Exchange Joint Venture (Iocmin38) ......................... 138 FIGURES OR ATTACHMENTS COLORADO Pike National Forests Shepard and Associates Land |
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| Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...________________________ _ Idaho Springs formation _______________ _ Swandy ke hornblende gneiss ____________ _ Quartzite..._____________________________ _ Quartz monzonite gneiss ________________ _ Granite gneiss and gneissic aplite ________ _ |
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| about 35 miles northwest of Flagstaff, in Coconino County, a pineforested volcanic area. The elevation is...in California recently I visited the Los Angeles County Museum in Los Angeles to see the famous collection...in Los Angeles can walk across the lawn to the County Museum for another thrill—the display of some of...loganberries. Alas, almost no localities are mentioned." COLORADO—Some months ago we received a letter from Carl...collecting he did in Colorado during the summer of 1957. "I was working in Colorado during my summer vacation |
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| Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado U.S. GEOLOGICAL SURVEY BULLETIN...Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado By MARGO I. TOTH, ANNA B....Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado / by Margo I. Toth ... [et...mineral resources Colorado White River National Forest. 2. Mines and mineral resources Colorado Arapaho National...National Forest. 3. Geology Colorado White River National Forest. 4. Geology Colorado Arapaho National Forest |
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| mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...doubtless the U.S.S.R., likewise established uranium mining industries. These efforts in the Reid and in the...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably.... . . . . . . . . . . . . . . . . . . . . . . Colorado Plateau . . . . . . . . . . . . . . . . . . . |
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| of The Geological Society of America Boulder, Colorado, 1973 Edited by BRUCE F. CurTIS 1975 Copyright...SOCIETY OF AMERICA, INC. 3300 Penrose Place Boulder, Colorado 80301 24 AUG 1990 The Memoir series was originally...northwestern Colorado and its implications concerning tectonism and the origin of the Colorado River system...Cenozoic sedimentation and deformation in northern Colorado and AGIOS ATCAGws jaceeet ty pes wien ano os Kar...helt 249 Neogene tectonism in south-central Colorado... a 2) 7 min 4 am ie a - =a, geek @a |
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| p. Supt. of Docs. No.: I 19.3:1603 1. Geology Colorado Aspen Region. I. Martin, Peter L. III. Series...in brief 1 The history of the Aspen region From mining to recreation 7 The story of the land 13 Rushing...location of Aspen and other major features in western Colorado 8 3. Streams, peaks, settlements, roads, trails...showing issues of mining litigation at Aspen 11 6. Chart showing growth and decline of mining in Aspen 1880-1950...16. Photograph of well-foliated mica schist and gneiss 32 17. Photograph and diagram of lower Paleozoic |
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| world-renowned gem and mineral collection at Los Angeles County Museum of Natural History since 1980. Joan Kaylor...Makeup » Crystals Earthly Treasures » Mines & Mining * Ocean Minerals » A Multitude of Uses » Gemstones...such as Ocean once fit together like pieces ofa puzzle. the Mid-Atlantic Ridge, pushing pieces of Pangaea...much of Andes and Cascades. Subduction also the puzzle. By analyzing rocks, occurs between oceanic plates...only agent of chemical change. Mosses and lichens Canyon, more than a vertical mile (1.6 km) of sedimentary |
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| V2-MINUTE QUADRANGLES, PIONEER MOUNTAINS, BEAVERHEAD COUNTY, MONTANA Glendale, Mont., in 1883 (top). This...underlain by Cretaceous sedimentary rocks of the Colorado Group. The hills in the upper right part of the...the center of the valley are on either side of Canyon Creek valley and are underlain by the Quadrant...1f2-Minute Quadrangles, Pioneer Mountains, Beaverhead County, Montana ByE-AN ZEN A description of the stratigraphy...7112-minute quadrangles, Pioneer Mountains, Beaverhead County, Montana. (U.S. Geological Survey bulletin ; 1625) |
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| world-renowned gem and mineral collection at Los Angeles County Museum of Natural History since 1980. Joan Kaylor...Makeup Crystals 56 Earthly Treasures Mines & Mining Ocean Minerals A Multitude of Uses Gemstones Legendary...Atlantic Ocean once fit together like pieces of a puzzle. resulting magma then rises through the overlying...geologists have managed to reconstruct much of the puzzle. By analyzing rocks, glacial scrapings, and fossils...sight. On the Colorado Plateau in Arizona, home to Monument Valley and the Grand Canyon, more than a vertical |
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| stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |
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| Moon N. Andrews, Jr. Moon lack the active hot springs and geysers, as well as the surrounding forested...Renfrew County, Ontario, Canada By Jerome M. Eisenberg Mineral specimens from Renfrew County occupy a...obtaining museum specimens. The heart of Renfrew county is situated about 70 miles west of Ottawa, Ontario...outliers of Paleozoic limestone. The geolegy of the county is treated thoroughly in Satterly’s report of the...sometimes fading to a pale pink. At the Ellioets Mine in Ross there is an outstanding occurrence of apatite |
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| Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...Geology. _ . _ ___... Engineering and Mining Journal _ , Geochimica et Cosmochimica Acta _ Bulletin, Geological...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in...the areas and subjects are listed under States, "Colorado Plateau," "United States," or under a few subject |
