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| Mesozoic Rocks in the Northern Sierra Terrane, California U.S. GEOLOGICAL SURVEY BULLETIN 1957 Stratigraphy...Mesozoic Rocks in the Northern Siefra Terrane, California By DAVID S. HARWOOD Revised stratigraphic and...M¢sozoic rocks in the northern Sierra terrane, California I by David S. Harwood. p. em. -(U.S. Geological...Permian-Triassic unconformity 34 Mesozoic sequence 36 American River area 36 Taylorsville area 39 Mount Jura block...terrane, California In pocket FIGURES 1. Index map showing northern Sierra terrane, California 4 2. Schematic |
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| Gold-Bearing Gravel of t&e Ancestral Yuba River, Sierra Nevada, California GEOLOGICAL SURVEY PROFESSIONAL ... Gold-Bearing Gravel of the Ancestral Yuba River, Sierra Nevada, California By WARREN E. YEEND GEOLOGICAL SURVEY... PAPER 772 A restudy of the unmined Tertiary placer deposits in a historic hydraulic mining region...-----------------------------------------------Placer gold ------ -- ------------------ --- ----------------...10 10 14 15 15 16 16 16 17 18 18 18 19 Paa-e Placer gold-Continued Drill holes, North Columbia diggings-Continued |
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| of joints. INVESTIGATION OF BLACK SANDS FROM PLACER MINES. By DAVID T. DAY and R. H. RICHARDS INTRODUCTION...earliest notes concerning the occurrence of gold in California^ points out the probable occurrence of gold in...minerals. Among the early prospectors for gold in California this difficulty of separating gold from black...black sands of Butte County, Cal., contained platinum and iridosmine, magnetite, zircon, chromite, garnet...frequent occurrence in the black sands of the California sea beach, between Cape Mendocino and the Oregon |
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| SURVEY GEOLOGIC AND GRADE-VOLUME DATA ON 330 GOLD PLACER DEPOSITS By G. J. Orris and J. D. Bliss Open-File...editorial standards Menlo Park, California 1985 INTRODUCTION Placer deposits account for a large portion...two-thirds of the world's gold has been produced from placer deposits (Boyle, 1979). and volumes, gold Information...purposes of constructing grade-volume models of placer deposits. This information is useful for analyzing...analyzing the roles genetics and mining method have on placer grades and volumes. Deposits were included if |
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| Colorado ................. . Mountain Pass, California ..................... . Wet Mountains Area, Colorado...Montana ................. . Ravalli County, Montan81- Lemhi County, Idaho .. Magnet Cove and Potash Sulfur...in the United States.... 2. Estimated volume of placer material dredged and amounts of monazite and other...potential resources, in short tons, from various placer districts in Idaho. . . . . . . . . 5. Th0 2 reserves...probable potential resources, in short tons, from placer areas in Long Valley . . . . . . . . . . . . . |
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| Minerals of California By ARTHUR S. EAKLE, MARCH, Ph.D. 1914 Issued by California State Mining...Hon Hiram W. Johnson, Governor of the State of California. Sir: I have the honor to transmit Bureau...of herewith Bulletin 67 of the State Mining California. This work was made possible at this date through...Bureau. and Mineralogy of the University of California, with this Eakle has given freely of his time...Minerals Distribution by Counties Bibliography on California Minerals Index to Minerals — 197 204 210 220 |
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| MANAGEMENT º, ſº ºf | LIBRARY UNIVERSITY or California … • * * ** ROADSIDE GEOLOGY AND MINING ...field guide follows, with minor modifications, California Division of Mines and Geology Bullet in 141 which...Snow in Yosemite and the Mother Lode Gold Belt, American Association of Petroleum Geologists Book GB68...average value of gold produced in California was $25.00 per ounce. California State Highway 49, variously know...Mariposa and to terminate at Georgetown in Placer County. It forms a more or less continuous belt of |
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| M^iajKaMVMtrVMMIMMVW^- 'Vv s > MINERALS Of CALIFORNIA BULl,ETIN N«, 91 issei0 BY rr: ^ ;wIFORNIA...BULLETIN [November, 1922 No. 91 Minerals of California $ BY ARTHUR S. EAKLE, Ph. D. Professor...Mineralogy, University of California COMPLIMENTS OF ^^^foyd Sc, c/iosty GIST CALIFORNIA STATE PRINTING OFFICE...Stephens, Governor of the State of California, Sacramento, California Sir: I have the honor to transmit...upon the minerals of California. This bulletin records our knowledge of California minerals to date, |
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| LAZULI TURQUOISE GARNET ONYX • PERIDOT* • ZIRCON • CARNELIAN TOURMALINE OPALS • AOATI • ... GEM HUNTERS GUIDE by Russell P. MacFail The American average gems something as from a far close...the finding 43 to hunt for Diamonds in the American pearls Black light for your minerals 50 Locations...SPINEL STAUROLITE •^^ VESUVIANITE WILLEMITE ZIRCON CRYSTALS Crystal forms 5 velopment of one face... crystals, Areas in Maine, Connecticut and California, and Madagascar, are famous for Lava known |
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| rocks of the Almanor 15 1 quadrangle, Plumas County, California by A. S. Jayko Open-file Report 88-757 ...rocks of the Almanor 15 f quadrangle, Plumas County, California INTRODUCTION The first geologic studies...to east they are: the Central belt, the Feather River peridotite belt, and the northern Sierra terrane...the Soda Ravine block, occurs between the Feather River peridotite belt and the northern Sierra terrane... Pennsylvania!! radiolarian faunas (Table 1). The Feather River peridotite belt in this area consists of fairly |
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| MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town...are nuggets. The nugget was acquired by the California Federation of Minerologicol Societies insignia...in in the Cali- San Francisco MINERALS OF CALIFORNIA CENTENNIAL VOLUME by JOSEPH (1866-1966) MURDOCH...Ian Campbell and Eleanor M. Learned BULLETIN California Division of Ferry Building, San 189 Mines |
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| MINERALS OF CALIFORNIA BULLETIN No STATE ; . .. : DlViSIi BUILDIN 113 COLLEGE OF AGRICULTURE...AGRICULTURE DAVIS, CALIFORNIA STATE OF CAUFORNIA DEPABTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director...MINERALS OF CALIFORNIA By ADOLF PABST Associate Professor of Mineralogy University of California BERKELEY...BERKELEY CALIFORNIA STATE PRINTING OFFICE GEORGE H. MOORE. State Printer SACRAMENTO. 51440 1938 TABLE...Letter of Transmittal 5 Map 6 Outline o['. California Preface 7 Introduction 11 Native Elements |
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| natural pink topaz. In a similar manner a colored zircon may be heat-treated and thereby become colorless...(emerald, aquamarine), spodumene (kunzite, hiddenite), zircon, and gem varieties of feldspar, topaz, and quartz...localities in California where diamonds have been found are: Smith River, Del Norte County; Trinity River, Trinity...Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville and Webber Hill, El Dorado County;...Oroville, Butte County; French Corral, Nevada County; Indian Gulch and Volcano, Amador County; and Alpine |
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| BIG GOLD ON STEVENS TRAIL 10 California’s American River still holds riches. By Marc Davis THE WORLD’S...found on the North Fork of the American River, in Northern California. (Getty Images) EDITORIAL CONTACT...villagesmithyopals.com 8 www.rockngem.com 7 California’s American River Still Holds Riches Story and Photos by Marc...Davis H ave you ever gone prospecting on the river along the Stevens Trail?” I asked fellow miner and...Stevens Trail down to the North Fork of the American River, he takes the first spur trail that is nearly |
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| 1 1 2 2 2 Mineralization, lode prospects, and placer gold mining .•...••.•••. o • • • • • • • • • •...Hot Springs........................ 2. Data on placer 'sarr.ples .•.•..•..•..•..•....•.....•.•...•.....outcrop area of granite at the head of Serpentine River. Investigations in the Serpentine-Kougarok area... were made specifically to search for lode and placer deposits of radioactive materials. Two factors...ples from the upper Kougarok area in the Alaskan placer collection were tested for radioactivity in the |
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| STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director DIVISION OF MINES...BRADLEY State Mineralogist JANUARY, 1935 No. CALIFORNIA JOURNAL OF MINES AND GEOLOGY QUARTERLY CHAPTER...OF MINES FERRY BUILDING, SAN FRANCISCO, CALIFORNIA CALIFORNIA STATE PRINTING OFFICE GEORGE H. MOORE, STATE...19017 SACRAMENTO. 1935 LIBRARY UNIVERSUY Of* CALIFORNIA Davis 1 DIVISION OF MINES EXECUTIVE AND TECHNICAL...Notes Geological Investigation of the Southern California 50 Clays of Riverside and Orange Counties, |
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| commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...prospectors of the last century. Because of the California Forty-Niners, as well as their predecessors...of salt. Although some great mines of Arizona, California, Idaho, and Nevada may havebeen discovered in...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where |
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| by Eva Surrell FIELD TRIPS 10 40 48 SOUTHERN CALIFORNIA GOLD There are many locations where rec reational...the first U.S. gold rush by Charles A. Overbey PLACER GOLD IN THE MIDWEST You'll probably never get...NEWS NOTES OF COLLECTING AREAS 56 WHAT'S NEW AMERICAN FEDERATION OF MINERALOGICAL SOCIETIES Otflcen...additional Information and requests to the American Federation CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES...For additional information and requests to the California Federation NORTHWEST FEDERATION OF MINERALOGICAL |
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| Jurassic Magmatic Arc, Western Nevada and Eastern California By Vern Beardslee1 and Howard McCarthy1 Open...and has not with U.S.Geological Survey editorial American Stratigraphic Code. Any use names is for descriptive...JURASSIC MAGMATIC ARC WESTERN NEVADA AND EASTERN CALIFORNIA Compiled by Verne Beardslee Edited by Howard...Jurassic Magmatic Arc in western Nevada and eastern California. The general area of consideration extends from...JURASSIC MAGMATIC ARC WESTERN NEVADA AND EASTERN CALIFORNIA Compiled by Verne Beardslee Edited by Howard |
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| Archive in 2012 with funding from University of California, Davis Libraries http://archive.org/details...org/details/californiajourna40cali STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES DIVISION OF MINES... 40 State Mineralogist JANUARY 1944 No. CALIFORNIA JOURNAL OF MINES AND GEOLOGY QUARTERLY CHAPTER...MINERALOGIST'S REPORT XL 33963 LIBRARY UNIVERSITY OF CALIFORNIA DAVIS 1 DIVISION OF MINES EXECUTIVE AND...Geology of Palm Springs-Blythe Strip, Riverside County, California, by William J. Miller Geology of Parts of |
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| OTIS SMITH, DIRECTOR OF THE SIERRA NEVADA OF CALIFORNIA : I I / BY WALDEMAR - LINDGREN OFFICE ........ _____ .. ___ . . .. .'........ . Feather River ....................... _._ ........... _... _.... __ . _. _. ____ . ___ . _. ___ ....... . Yuba River ................... _____ . _....... _... . .. .... _. _. _. _........ ·_............. _.. Bear River ..... _................... _______ .................. _.. ~ ...... _.. _............ . American River ........... _. . .. _.. __ -~-_. _____ .......... |
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| enlivened discussions of their origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer.... . . . . . 488 490 491 492 492 Chapter 13: PLACER DEPOSITS OF RADIOACTIVE MINERALS General .. .......... ... .. . .. .. . . . . . . Other North American Deposits . .. ...... . .... . .. . . . ... ..... crandalJite Pyrochlore-mi cro]j te Uraninite, zircon Uraninite Uraninite, fergusonite, samarskite, xenotime...eschynite, thorite Monazi t,e, cheralite Thorianite, zircon Zirkeli te, clarkeite, al!a.ni te, chevkini te |
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| LIBRARY 3 1111 01599 4096 Rocks and Minerals of California THIRD REVISED EDITION NATUREGRAPH PUBLISHERS...LIBRARY GA BAPAEL CALIFORALA Rocks and Minerals of California THIRD REVISED EDITION Color Photographs W...greatly indebted to Dr. Gordon Oakeshott of the California State Division of Mines for his kind examination... Mrs. Eleanor M. Learned, who worked for the California Division of Mines and Geology, for looking over...Lactic ialiv ess Winib baie A wa ar Minerals of California................. 02... OTST TSS IGE Ee a, I RS |
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| MINERALS OF CALIFORNlA 299" 257889 PEMBERTON' HOFE CALIFORNIA MINERALS 2995 SEP 1933 OINCO Digitized by...org/details/mineralsofcalifo00pemb MINERALS OF CALIFORNIA - MINERALS OF CALIFORNIA H. Earl Pemberton ~ VAN NOSTRAND...H. Earl, 1907Minerals of California. An updating of: Minerals of California: centennial volume, 1866-1966...index. 1. Mineralogy - California. 2. Mines and mineral resources - California. I. MUidoch, J oseph, 1890Minerals...1890Minerals of California. 11. Title. QE375.C32P45 549.9794 81-15963 ISBN 0-442-274882 AACR2 Preface |
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| ] \ I ^,_|^_g|g„gy. MMM STATE OF CALIFORNIA GOODWIN I. KNIGHT, Governor DEPARTMENT OF... Chief BULLETIN December 173 MINERALS OF CALIFORNIA By JOSEPH MURDOCH University of Caliiomia,...ROBERT W. WEBB University of California, Santa Barbara College Goleta, California Price $3.00 LIBRARY UNIVERSITY...Goodwin J. Knight Governor of ihe State of California Dear Sir: I have the honor to transmit herewith...JenlCalifornia, Chief of the Division of Mines. Minerals of California is one of the Division's |
