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| Ore Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado GEOLOGICAL SURVEY BULLETIN...Ore Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado By J. E. HARRISON and J. D...GEOLOGY AND ORE DEPOSITS OF CLEAR CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN..._____ Biotite-quartz gneiss____________________________ _ Sillimanitic biotite-quartz gneiss______________________...42 Origin________________________________ 4S Quartz diorite and associated hornblendite______________ |
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| International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...up everything and move to the new (and sometimes, free) land that lay to the west. Following closely on...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...for several generations. That word of Pikes Peak gold began to circulate, a quick and easy story, with |
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| of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection, photographer...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper. Nearly 100...from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |
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| COLORADO e Gold Hill 0 DENVER Wulfenite Occurrences in Colorado Leadville 0 1 Tincup 03 . 4 Lake...Box 586 Ouray, Colorado 81427 CONNOISSEURS OF WULFENITE probably do not think of Colorado as a noteworthy...deposits throughout the state. A good portion of the Colorado wulfenite localities do not compare with those...last twenty-five years either as a result of new mining operations or as new discoveries in abandoned mines...following descriptions of wulfenite localities in Colorado have been compiled from U.S. Geological Survey |
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| and Ore Deposits of the Chicago Creek Area Clear Creek County Colorado GEOLOGICAL SURVEY PROFESSIONAL...and Ore Deposits of the Chicago Creek Area Clear Creek County Colorado By J. E. HARRISON and J. D. WELLS...and ore deposits of the Chicago Creek area, Clear Creek County, Colorado, by J. E. Harrison and J. D. Wells...Geology Colorado Clear Creek Co. 2. Ore deposits Colorado Clear Creek Co. 3. Petrology Colorado Clear Creek..._---_-__-_--__________-____________--. History of the district-______________________________ General geology |
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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY...... _·_ .................................... . Quartz gneiss ...................................... _.......... : .................................. . Quartz monzonite gneiss (adamellite gneiss) ........................................ _....... __ ... . Quartz monzonite (adamellite) ... ~ ....................: .......................................... . Quartz-bearing diorite and associated hornblendite .. |
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| Deposits Of the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER...of the general geology and ore deposits of the district which forms the northwestern part of the important...gneiss.________________________________________ Quartz gneiss_ _ _ __ ____ _____ ____________ ______ __...---------------Quartz diorite gneiss and related rocks_ _ ___ ___ ___________ Quartz diorite _____________...-------_______ Biotite-quartz monzonite porphyry______________________ Biotite-quartz latite porphyry___ |
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| organization is carrying on for the direct advancement of mining interests throughout the country than can readily...formerly sold at normal prices, are now distributed free of charge to those interested in the special subject...occurring in area of folio. Iddings, J. P.; Weed, Gold, copper, clays, lime W.H. stone, coal. Hayes, C...products described as occurring i:i area of folio. Gold, copper, chromite, iron, coal, stone, lime, clay..... Coal, iron, lime, stone, road metal, clay. Gold. Haycs, C. W......... Coal, iron, lime, stone, road |
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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...Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________ _ Quartz monzonite gneiss...gneissic aplite ________ _ Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ |
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| Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...______________________________ _ History of uranium mining and production ____________ _ Geologic setting...________ -----------Central City district _____________________ ------Quartz Hill-upper Russell Gulch area... _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher mines ______________...Town mine, by A. A. Drake, Jr ______ _ Springdale (Gold Rock) mine, by A. A. Drake, J r ________________________ |
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| Front Range Mineral Belt Gilpin and Clear Creek Counties. Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared...Front Range Mineral Belt Gilpin and Clear Creek Counties, Colorado By E. W. TOOKER GEOLOGICAL SURVEY...Front Kange mineral belt, Gilpin and Clear Creek Counties, Colorado. Washington, U.S. Govt. Print. Off...belt, Gilpin and Clear Creek Counties, Colorado. 1963. (Card 2) 1. Geology Colorado Front Range. 2. Petrology...Petrology Colorado Front Range. 3. Ore deposits Colorado. 4. Mineralogy Colorado Front Range. 5. Metamorphism |
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| Principal Gold-Producing Districts of the United States By A. H. KOSCHMANN and M. H. BERGENDAHL GEOLOGICAL...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 |
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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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| the Eureka Gulch Area Central City District Gilpin County Colorado GEOLOGICAL SURVEY BULLETIN This...the Eureka Gulch Area Central City District Gilpin County Colorado By P. K. SIMS, F. W. OSTERWALD, and...GEOLOGY AND ORE DEPOSITS OF CLEAR CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN...Biotite-quartz-plagioclase gneiss. ____________________________ Sillimanitic biotite- quartz gneiss _...Monzonite porphyry________________________ ________ ___ Quartz bostonite______________________.____ ______ Structure |
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| Gold-bearing Polymetallic Veins and Replacement Deposits Part I U.S. GEOLOGICAL SURVEY BULLETIN 1857-C...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... Chapter C Gold-bearing Polymetallic Veins and Replacement Deposits Part I Bald Mountain Gold Mining Region... NORTON Gold Deposits in the Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka |
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| DIEGO FREEWAY 14051 p a c if ic COAST HIGHWAY Gold-Nevado Co. California Hours: Tues-Sar. 10-5 Sunday...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...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar |
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| Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00...of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________...gneiss. _________________________L___ J.______ Quartz gneiss.____________________________L__-_-_._-__...---------------- 20 21 21 '22 22 22 23 23 24 Quartz diorite_____-_--__________-____-__--__-__-___-__ |
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| COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY... WHOSE NERVE, ENERGY AND INDUSTRY HAVE PLACED COLORADO IN THE FRONT RANK OF BULLION PRODUCING STATES...WEALTH AND PROSPERITY, UNEQUALED IN THE HISTORY OF MINING COMMUNITIES, THIS WORK IS RESPECTFULLY DEDICATED...FARM FOB EVERYBODY Railway. COLORADO. Healthy, Attractive. Colorado is the great Sanitarium and Pl |
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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 – Cochise Co. Mining Districts .................................... |
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| Collector's Newsletter $3.00 The Rock Dam Gold Prospect A New Quartz Locality, Dickinson Co., Mich~g_an Shawn...markelder@juno.com The Rock Dam gold prospect is located in central Dickinson County, Michigan, approximately...the dominant exposed bedrock in this part of the county. Excavated near the tum of the 20th century, the...themselves are thoroughly unglamorous, yielding neither quartz crystals nor any noteworthy accessory minerals...states that, "some of these quartz veins contain small quantities of free gold, as does also the quartzite |
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| "Whatever is gold does not glitter. A gentle radiance belongs to the Friedrich Nietzsche, The Wanderer...high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff Scovil...photo Left: A wall of gold bricks in the Federal Reserve Bank of New York's gold vault Photo Robert Gambee...Crystallized gold from Canada Private collection; Jeff Scovil photo extraLapis English No. 5 Gold The Noble...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint |
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| ...........................................47 Colorado ..............................................................................458 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...to the California gold rush of 1849, this portion of Alabama experienced its own gold rush, largely unprofitable |
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| ...........................................47 Colorado ..............................................................................460 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...to the California gold rush of 1849, this portion of Alabama experienced its own gold rush, largely unprofitable |
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| & Engr TN 2^ C3 A3 NO. 193 C.2 GOLD DISTRICTS OF CALIFORNIA BULLETIN 193 California Division...Mines and Geology Sacramento, California, 1970 GOLD By William B. DISTRICTS OF CALIFORNIA Clark...though Nugget. This 201 -ounce (troy) cluster of gold on display in the Division of Mines and Geology...Geology San Francisco's Ferry Building. Melted down as gold, it would be worth tome seven or eight The Fricof...been written on gold and gold mining of publications have no single report or to the gold deposits in |
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| 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...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |
