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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ................................................Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County ............................... . 103 Orcs in Clear Creek County ............................ . 103 Ores from...Argentine to the Tenmile district .. : ............... . 104 Ores of the Tenmile 'district ................. |
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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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| 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... _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher mines ______________...descriptions-C~:mtinued Lawson-Dumont-Fall River district, by C. C. Hawley and F. B. Moore _____________________________ |
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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 variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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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 variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
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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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| 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.___________..._________.__ -_______---_-_-____________'___-_--Galena. __________________________ ______________ __________...pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |
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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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| 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 -- |
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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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| 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 |
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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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| Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa By...Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front Range...west, and southwest. The adjacent Central City district, which produced ores valued at more than $100...clearly the most important district in the mineral belt The Idaho Springs district from 1860 to 1959 produced... and zinc add value to the ores in most areas. Mining activity in the Idaho Springs and adjacent districts |
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| MARCH, Ph.D. 1914 Issued by California State Mining Bureau McN. HAMILTON STATE MINERALOGIST F. F...Minerals of herewith Bulletin 67 of the State Mining California. This work was made possible at this...localities new and quently the The second list ^Mining' State Mineralogist. This known localities...literature of a general nature on the geology and mining industry of the State. bibliography of A. may...The excellent Vodges, Bulletin 30 of the State Mining Bureau, be referred to for such literature. The |
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| Part 1. General geology. Part 2. Utah. Part 3. Colorado. 0 Oxidized Zinc Deposits of the United States...gold-bearing oxidized zinc and zinc-lead ores in Colorado, Utah, Nevada, and California______________ 3...deposits in the Eastern and Central States, and in Colorado and Utah_______________ m A-2 7 22 OXIDIZED...~issouri Texas•-----------------------------------Colorado _________________________________ _ New ~exico...Alaska.. a Includes 550 tons from Davis, Murray County, Okla. 'Production to 1934 only. PART 1. GENERAL |
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| 1 D E J •LEGEND- MEXICO -^ Mining O Division Boundaries. Mining Division Offices. (6) PREFACE...a part of the Fourth Annual Report of the State Mining Bureau, by Henry G. Hanks, who was then State Mineralogist...''Minerals of California," of the California State Mining Bureau. In the thirty years which had elapsed since...published as Bulletin 91 of the California State Mining Bureau. Many additional species were included,...commercial borates. Lawsonite, first found in Marin county in 1895, has proved to be of great petrographic |
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| Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...waterworn crystals of aluminum silicate found as clear blue gemmy pebbles), and turquoise. About 2000 B...afterlife: opaque blue turquoise and lapis lazuli, clear red carnelian, purple amethyst, and rock crystal-all...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones |
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| 22 Sagehen Creek ...................................................... 27 Martis Creek Wildlife Area......................... 36 North Shore 5. Mount Rose ..................................................................................... 72 General Creek Loop at Sugar Pine Point. .......................................................... 177 Pyramid Creek and Horsetail Falls ..............................the Wall ........................... 196 Hunter Creek Falls ......................................... |
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| 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest |
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| said to have been found in the mining the nugget Jim, Placer County, California, in 1871 by a small...Counties of California: Minerals and mineral lists Mining Districts of California Unvalidated entries in...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...resulting from references to the geographic term ''Mining District," especially in the pre-1920 literature. Widespread...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely |
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| described in Part A the name, U.S. Bureau of Mines mining district, reference that has the occurrence plotted...of Part B. Al (Alabara Cr.) Gold Rampart district Livengood (11.9, 10.35) approx. 65°35'N, 148°22'W...no further mention of mining or prospecting. About a mile above mouth of creek bedrock is 52 ft deep...mainly Ordovician chert Alaska Gold Fairbanks district MF-413, loc. 42 Livengood (19.2, 1.55) 65°04'N...Gladstone, JupiterMars. Alaska Flyer Gold Fairbanks district MF-413, loc. 17 Livengood (17.95, 0.85) 65°02'N |
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| rewhich was publi.shed as Bulletin 67 of the State Mining Bureau. vision by the same author in 192-3 increased...tribes in the northeast corner of San Bernardino County in pre-historic times. The old workings here were...desert region between Death Valley and Goff's Mining District, nearer the former, and that good samples were...the museum of the Bureau. * * * "The turquoise district, as described by Mr. Eisen and others of the party...made as a mere rude protection against weather and wild beasts. The tools, found partly in the caves and |
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| LODE MINING NEAR FAIRBANKS. By THEODORE CHAPIN. INTRODUCTION. The occurrence of auriferous quartz veins...for a number of years, but until recently quartz mining has received relatively little attention. In the... 'The total lode production for the Fairbanks district is about S674,00Q. In 1911 the production was...1913 the writer spent a few days in the Fairbanks district to study the occurrence of lodes and to gather...a. measure reflects the progress made in quartz mining, which showed a marked advancement, particularly |
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| swaying trees. Its sermons for aeons have spoken, In wild storms, and soft summer breeze. How I wish I could...stumbled on this sunken grave Out on the desert wild— Oh Merciful God—what a desolate place To bury a..."Doodlebug" doesn't sound scientific, but that's what the mining and geology fraternity have dubbed the device which... 27 NEWS Here a n d There on the Desert 29 MINING Current n e w s briefs 32 HOBBY G e m s a n...new herd of lowing beeves and the kicking, half-wild mules were a constant worry. Many of the animals |
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| 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J...state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic wonders, and...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...B. Casto, Gen1stones of Nevada 72 Christopher Rose and Gregory C. Fcrdock Nevada Meteorites 84 David |
