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| Placer Deposits of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1374 An inventory of the...the placer mines and prospects of Alaska, their history and geologic setting UNITED STATES GOVERNMENT...and method of presentation __ Definitions _-____ Alaska Peninsula region Aleutian Islands region ________...Anchorage district _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district...district _____________ _ ____ __________ _____ Copper River region __ _ _ _ Chistochina district Nelchina |
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| SELECTED NONMETALLI FERGUS MINERAL DEPOSITS IN CENTRAL ALASKA TO ACCOMPANY OPEN-FILE MAP 77-1680 This report...SELECTED NONMETALLI FERGUS MINERAL DEPOSITS IN CENTRAL ALASKA (To accompany Open-file Map 77-168D) By G. Donald...accompanying map have been prepared under the Regional Alaska Mineral Resource Appraisal Program (RAMRAP) to...nonmetal1iferous deposits, both lode and placer, in central Alaska. Specifically excluded are the fossil fuels (petroleum...government and private sectors, discussions with mine operators, and the firsthand knowledge of the authors |
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| QuadraQgle, Alaska Interpretation of Reconnaissance Geochemical Data from the Healy Quadrangle, Alaska By THOMAS...reconnaissance geochemical data from the Healy quadrangle, Alaska I by Thomas D. Ught, Richard B. Tripp, and Harley...no.: I 19.3:1894 1. Geology-Alaska-Healy Region. 2. Geochemistry-Alaska-Healy Region. I. Tripp, A. B...of geochemical data from the Healy quadrangle, Alaska. CONTENTS Introduction 1 Regional geologic setting...interpretation of geochemical anomalies Yukon-Tanana terrane 8 Big Grizzly Creek area 9 Tertiary Nenana Gravel and |
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| mines, prospects and mineral occurrences throughout Alaska. 156 "00 64"0 r ctf C3 ,| / i x . T V I MD014...occurrences in the Medfra l:250,000-scale quadrangle, Alaska £\J «^J __._^ MD001 . MD002 MDOM * MD005 ,...Fairbanks, AK 99708 phone (907) 458-8951 ^J( Alaska ^ ^illi^HMlSIIKi^ v^^pflv This report is preliminary...the U.S. Government. OPEN-FILE REPORT 99-156 Alaska Resource Data File Various reports used in this...courtesy and permission of Doyon Ltd., in Fairbanks, Alaska. Requests for the inspection and use of these documents |
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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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| Yankee is NUGGET said to have been found in the mining the nugget Jim, Placer County, California, in...in California 30 Crestmore 36 Pegmatite gem area of southern California 46 Cerro Gordo 49 History...Counties of California: Minerals and mineral lists Mining Districts of California Unvalidated entries in...resulting from references to the geographic term ''Mining District," especially in the pre-1920 literature. Widespread...study of the borate deposits of the Mojave Desert area and of Death Valley by a group of U.S. Geological |
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| assessments of land areas _________ Geologic studies of mining districts and mineralbearing regions __ __________...Geochemistry _____________ Oil and gas resources. Alaska _____. Overthrust belt ________ Great Plains___________...Oregon___________ _______ Washington _________________________ Alaska ___________________________ Statewide ___________________________..._____________________ Arkansas____________________________ Colorado ____________________________ Kansas__________...Oklahoma _______ Western region Multistate studies. Alaska _____. Arizona _____. California_______ Hawaii |
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| assessments of land areas _________ Geologic studies of mining districts and mineralbearing regions __ __________...Geochemistry _____________ Oil and gas resources. Alaska _____. Overthrust belt ________ Great Plains___________...Oregon___________ _______ Washington _________________________ Alaska ___________________________ Statewide ___________________________..._____________________ Arkansas____________________________ Colorado ____________________________ Kansas__________...Oklahoma _______ Western region Multistate studies. Alaska _____. Arizona _____. California_______ Hawaii |
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| Geological of America, Boulder, INC. Place Colorado Printed in the United States by Edwards Inc...8137-1131-2 Published THE GEOLOGICAL Society Card Colorado Michigan Soctety 80301 48104 The publication...c1d e100 ehalatetetetalaiete a\s cisiera uel os YUKON STRERRETORY 2 create Keno. Greenland e ersibre...eecoeeceoeeeoeoeceee 302 se ee 305 Freeland-Chicago Creek ....see. e@eoeoceeee 307 Reina Ta ease eial(cilake...e@eeeeeeoe 323 COLORADO PLATEAU (COLORADO-UTAH-NEW MEXICO-ARIZONA) ... 323 A. Rifle area, Colorado «0s... 323 |
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| California 16 Borax 18 Crestmore Pegmatite gem area of southern California Cerro Gordo The glaueophane...rewhich was publi.shed as Bulletin 67 of the State Mining Bureau. vision by the same author in 192-3 increased...stone hammers, and called his claim the Stone Hammer mine. This find aroused so much interest that the San...of the find and of the general character of the area, which is in the Turquoise Mountains, T. 16 N.,...circumstance the location was named the Stone Hammer mine. "The State Slining Bureau reported at about the |
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| P. Blake, professor of mineralogy, geology and mining at the College of California, parent to the University...California, and published in the fourth and sixth State Mining Bureau reports. Then beginning in 1914 with a volume...data for the borates chapter; members of the Bay Area Mineralogists Society who provided many personal...RANGES X PENINSULAR RANGES XI ~ COLORADO DESERT GOLD-BEARING AREA Map 1-1. Map of California showing...dominant ma.fie mineral; adj. noritic. oxidized zone An area of mineral deposits modified by surface waters. |
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| P. Blake, professor of mineralogy, geology and mining the at College of California, parent to the...mineralogist of California, and pub- and sixth State Mining Bureau reports. Then beginning volume prepared...data for the borates chapter; members of the Bay Area Mineralogists Society who provided many who reviewed...TRANSVERSE RANGES X PENINSULAR RANGES XI COLORADO DESERT GOLD-BEARING AREA I U Map 1-1. Map of California...associated materials which, when mixed with water, form area of mineral deposits modified A mudstone pelite |
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| of Eagle Nest Area New Mexico Photo on title page: Lake Fork valley from Frazer mine, Twining Fairview...94 1972 GEOLOGY AND ORE DEPOSITS OF EAGLE NEST AREA, NEW MEXICO by KENNETH F. CLARK and CHARLES B. READ...Director A Division of New Mexico Institute of Mining and Technology Stirling A. Colgate, President ...110 RIO HONDO DISTRICT 110 Geology, mineralization, production 111 RED RIVER DISTRICT 111 General geology...Questa mine 119 ELIZABETHTOWN-BALDY DISTRICT 120 Hematite Creek district 121 West Moreno district 121 Elizabethtown-Baldy |
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| Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...of the Garfield Quadrangle, Colorado By McCLELLAND G. DINGS and CHARLES S. ROBINSON GEOLOGICAL SURVEY...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mitting Fund. A...the geol- ogy, ore deposits, andJttines itt an area ofthe Sa watch Range UNITED STATES GOVERNMENT PRINTING |
