 | | Journal (article/letter/editorial) | | TELLURIDE-TUNGSTEN MAGNOLIA MINERALIZATION MINING ALBERT DISTRICT, OF THE COLORADO. S. WILKERSON....ABSTRACT. Two systemsof fissuresin the Magnolia Mining district of BoulderCounty,Coloradoare occupiedby... AND HISTORY. The Magnolia mining district lies four miles southwestof Boulder,Coloradoand is a part...northeastend of the Colorado mineral belt, which extends across the Colorado Front Range from Boulder and Jame...during the World War. GENERAL GEOLOGY. The Magnolia district is almost entirely within the preCambriancomplexof |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Part II Geology and Gold Deposits of the Oatman District, Northwestern Arizona By ED DEWITT, JON P. THORSON...Marysville Mining District, Montana By JAMES W. WHIPPLE Gold Deposits of the Boulder County Gold District...District, Colorado By JAMES A. SAUNDERS Part I is Chapter H U.S. GEOLOGICAL SURVEY BULLETIN 1857 GEOLOGY |  | | Report (volume) | | the Eldorado Springs Quadrangle Boulder and Jefferson , Counties, Colorado C_-J / By JOHN D. WELLS CONTRIBUTIONS...__________________________ Boulder Creek Granodiorite__________________________ Inclusions in the Boulder Creek Granodiorite_________..._________ 6. Boulder Creek Granodiorite_-_------___----___7. Inclusions in the Boulder Creek Granodiorite____...THE ELDORADO SPRINGS QUADRANGLE BOULDER AND JEFFERSON COUNTIES, COLORADO By JOHN D. WELLS ABSTRACT The...margin of the Front Range immediately south of Boulder and about 25 miles northwest of Denver. The western |  | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | | Report (volume) | | Geology and Hydrology, Front Range Urban Corridor, Colorado By FELICIE CHRONIC and JOHN CHRONIC GEOLOGICAL...Corridor. It was compiled at the University of Colorado, funded by the U.S. Geological Survey, and is...Institute bibliographies, as well as those of the Colorado Geological Survey. Most of the material listed...Federal Center, the Colorado Geological Survey office in Denver, the University of Colorado Library, or the...the Colorado School of Mines Library. These are available at the school where they were written. Microfilm |  | | Journal (article/letter/editorial) | | MAY, 1941 OF THE TUNGSTEN COUNTY, T. No. 3 ORES OF BOULDER COLORADO. • S. LOVERING. ABSTRACT. ...zone of sericitic alteration encases the Boulder County ferberite veins, but gives way abruptlyto a...GeologicalSurvey Board and of the ColoradoMetal Mining Fund. 229 230 T. S. LOVERING. Quartz gangue...easternedgeof the Front Range just west of Boulder,Colorado(Fig. x). The tungstendepositsextendin a Fro... •. Index map showing the location of the Boulder County tungsten belt and the general features of the |  | | 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) | | Colorado Springs Mineralogical Society Founded in 1936 February 2016 PICK&PACK Vol 56 ...... Number... February 18, 7:00 PM This month’s speaker is Colorado Springs Utilities Topic: Representative(s) will...Frank Rosenberg COLORADO SPRINGS MINERALOGICAL SOCIETY BOX ,COLORADO SPRINGS, COLORADO 80901-0002 February...Senior Center is located at 1514 North Hancock in Colorado Springs. For more information on any of the sub-groups...to be held on the Auraria Campus, University of Colorado, Denver. You may register online to be a judge |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very hard...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...1940; Elliot West 1997, verbal com.). scope of this mining economy. There simply was no other ecoThe initial...of 1858 were nomic force to compare with that of mining during the first all made along streams on the |  | | Report (issue) | | 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..._ Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite..._____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property _____________ _ Malachite |  | | Journal (issue) | | Museum (Historical Geology) Richard M. Pearl, Colorado College (Mineralogy) Kenneth Ross, Field Director...Director, Explore’s Camp, Mesa Verde, Colorado (Archeology) Arnold Goodman, Boston University (Microscopical...DIGEST Vol. Il JUNE - 1948 No. 9 Contents Colorado Mineral Localities. . The American Federation...the 13th to the 16th of this month at Denver, Colorado. For the first time, earth scientists, both amateur...PLAISTOW, NEW HAMPSHIRE THE COLORADO EARTH SCIENCE MINERAL RICHARD Colorado Climax Molybdenum Mine |  | 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). |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em 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 |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■: ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s 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 ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...__________________________ Principal rocks of the district.________________________ Pre-Cambrian rocks__..._____ Age_ __________________________________ Boulder Creek granite and related rocks. ____ Distribution |  | | Report (issue) | | INTRUSIVE ROCKS OF COLORADO By Edward J. Young Prepared in cooperation with The Colorado Mining Industrial Development...Development Board and the Colorado Geological Survey This report is preliminary and has not been edited...intrusive rocks of Colorado » » » *«» In pocket Laramide-Tertiary intrusive rocks of Colorado By Edward...intrusive rocks in the State of Colorado, geologic age localities, mining districts, localities of chemically...This information is shown on the State map of Colorado (scale 1:500,000) accompanying this report. In |  | Pearson, R.C., Braddock, W.A., Flanigan, V.J., Patten, L.L. (1981) Mineral resources of the Comanche-Big South, Neota-Flat Top, and Never Summer Wilderness Study Area, north-central Colorado. Open-File Report Vol. 1981 (81-578) US Geological Survey doi:10.3133/ofr81578 | Report (issue) | | Never Summer Wilderness Study Areas, North-Central Colorado By Robert C. Pearson, William A. Braddock, and...study area........................................ Mining claims and mineral prospects.....................area.............................................. Mining claims, mineral prospects, and recent exploration...Never Summer wilderness study areas, north-central Colorado.................................................Top, and Never Summer wilderness study areas, Colorado.............................................. |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Report (volume) | | Advancement of Science A. I. M. E__ American Institute of Mining and Metallurgical Engineers Aardrijksk__ Aardrijkskundig...cientifica Circular Classe classification Company, County Collections Committee Communications Comparative...Devonian development diagram Direcci6n Dissertation district distribution division Doctoral, Document Doctoral...Meteorological, etc. microscopic, etc. Mimeographed Mineral, Mining mineral resources Mineralogic, etc. Meddel_ _...Meetings. Washington, D. C. American Institute of Mining and Metallurgical Engineers: Contributions 1-112 |
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