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| to MINES and MINERALS " How and Where A ,-A 1 to Find Valuable Ores and Minerals in the United...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...I \ h K 4 I CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation... ‘m. i I \ i > t .. / I . I 4 I A I f 1 [ « I V SS" a PREFACE At no time in history...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand |
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| SAUSALITO PU BLIC LI BRA RY DATE DUE fEB 28 _.I l 1 1 MAR. I ' J 28 f ' / J EP 3 - _ E_EB '...minerals of America} 5w fui :o Bibliography: p. 1. Precious stones-Collectors and collectingUnited States...ISBN 0- 06-013512-3 ISBN 0- 06-013513-7 (lib. bdg.) 1 For America's millions of gerr1 and mineral collectors...Fundamentals of Rock Collecting 1. Rocks, Minerals, and Gemstones 1 3 Mineral Characteristics; Gemstone...Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois |
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| . 79 Faults north of Eureka Gulch......... .. .. .. .. 79 Faults between Eureka GulchandEurekaPf ak.... 79 Faults between Eureka Peak • and Mammoth Gulch................. 81 F~ults distinctly later than folding...vein matter in the deposits in Mines of Centennial Eureka Mi;ning Co.sedimentary rocks-Continued. Continued...sulphides ..... _·_.... . 175 -Development west and south of the Gemini ore zone ................. ~ .......217 Gold Chain mine ...................... . 218 Eureka Hill mine ...................... . 192 History |
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| ........................................ Clark County..................................................prospects...................................... Elko County.................................................. CONTENTS. 5 Deposits and mines Continued. Elko County Continued. Mud Springs district Continued. Page... CONTENTS. Deposits and mines Continued. Elko County Continued. Dolly Varden (Mizpah) district Continued...Tl.......................................... 82 South end of the mountains........................... |
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| their periods of weathering____ Paleophysiography 1 _ ___ Structural features and blind lodes ' ______...Copperopolis, California____________________ 233 Shasta County, California______ _ __ 234 Snowstorm lode, Coeur...Tintic district, Utah_______________________ 285 Eureka, Nevada__________________________ 289 Pioche, Nevada...Breckenridge, Colorado^. __________________ 295 Gilpin County, Colorado.-____________________ 297 Rico, Colo...Ontario ________________________ 325 Black Hills, South Dakota___________________ 327 Mother Lode district |
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| sisiole oPiaialiaiayele ele1 era ele anys! su sie=1 128 aL ced bv co oo dee ee Fielee hats o vials oTenmce...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...csansieterchersrersiovaie Pewee reser eres ereceseses 490 SOUTH DAKOTA CO meme eee eerenreeneerererrereseseseceses...seecee FOP sMOUMIE ATE cers cs bie 6)sine 6 SOUTH AMERICA 6 5 5wis xjecssace eeeeeeeeesoeeee AV GOMICTM...Eas ternaCalaGa vc cwatecisle stetie eles Bt pero 1 remeters bie sees COO eo 40 Green lands s.s scutes |
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| ,MINERALOGY Revised by _CORNEL[lJS -'S. iIURLBf/1: fr~. _ . . ... -··:· .. -·- ·-;-. - :.-~ .. .......• •.. .: - . - _;1· . . ;. ' ?: . .. -__ j . .i.' ,: .,_ .·! - -1 < ;,, ,r '• • • ...methods have been introduced wherever possible but in 1= 1ch a way as not to impair the usefulness of the..."Crystallography" has been expanded to include a discussion of (1) the stereographic projection, (2) the thirty-two...CORNELIUS 8. HURLBUT, JR. July 1959 ' CONTENTS 1 . . . . INTRODUCTION . . . . . . . . . . . . . . |
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| Number 1. To Work by the Elevator Process. We note in the North San Juan Times, of Nevada county, that...Gravel Mining Company, at North Bloomfield, Nevada county, this State. We have interviewed the manager of...Mammoth Bar, Placer county, and on the ground of the Miocene Mining Company, in Butte county, and upon the...to pass upon all the classes except agriculture, county exhibits and fruits and cereals. They are to be...north latitude, varying only a few miles north and south of in the great pine forest near the base of the |
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| Short Papers in Geology and Hydrology Articles 122-1 72 GEOLOGICAL SURVEY RESEARCH 1963 GEOLOGICAL SURVEY...~iguel County, Colo., by F. W. Cater_ 129. A Pleistocene section at Leonards Cut, Burke County, N.C.,...~ississippi, by I>. H. Eargle_____________________ I>1 7 14 18 24 28 33 38 43 Mineralogy and petrology 131...geochemical prospecting data from the Rocky Range, Beaver County, Utah, by J. J. Connor and A. T. ~iesch_______...part of the Smyrna ~ills quadrangle, Aroostook County, ~aine, by Louis Pavlides and F. C. CanneY---- |
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| CONTENTS Page XI[ Summary _ 1 Introduction _ Part I. Superficial features _ 5 Chapter 1. Geography _ 5 Location...moraines _ 13 Terminal moraine _14 Ground moraine _ 14 South lateral moraine of East Arkansas glacier _ 14 North_...Iron-Mikado group_ 88 57 Josie pipe _ 89 Iron fault _ 58 Eureka pipe_ Mikado fault _ 90 59 Petrography _ Dome fault...Sheep Ridge or London anticline _ 61 Goodell or South Nine fault _94 61 Mike anticline _ Origin of the...Character _ 163 In the oxidized zone_ _ 163 Minium _ 1 VI CONTENTS Part III. Ore deposits—Continued. Part |
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| S1 ^1 lift SD07 15Q0C," CaWornia Slate Librae N...-1-01.SQ1.. IIRRXPY ' AND VOLIMK LX.XII...PACIFIC ELECTRICAL SAN FRANCISCO, SATURDAY, JANUARY 1. Manufacture of Carborundum. Carborutidum, the...Other Countries in the Postal Union Entered at the .1. S. F. $:i Postomee as second-class mail matter...Furnace at the Carborundum Factory at Niagara Falls, 1. Gateway of Fine Hammered Work. 6. The Electric Plow—...the 7. EDITORIAL. — Manufacture of Carborundum, 1-2. Som Recent Output of Gold in California and Colorado |
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| cover the period from October 1992 through October 1, 1993. These reports include both work performed under...occurs? Andrews..................................... 1 Arabasz..................................... 3 Booker...Wheeler................................... 895 Index 1: Alphabetized by Principal Investigator....897 Index...329-5606 Program elements 1.2, II.4 INVESTIGATIONS 1. Dynamic shear rupture in a compacting and dilating...deformation rates in the San Francisco Bay region RESULTS 1. I demonstrated that dynamic earthquake rupture can |
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| LODGE, D.Sc., U,.D., F.R.S. .JOSl•)PH ,JOHN 'l'H(H.1~0N, O.M., M.A., Sc.D., LL.D., ll.R.~. JOHN JOl,Y,...libanms ut n.pes." JUST. LIPS. Polit. lib. i. cap. 1. Not. VOL. XIII.-8EVENTH SERIES. JANUARY-JUNE 1932--...llLUOf;W ; - HOOOZI, 1'19818 1 AND CO., llUBt,JN ; - 41'1I> Vl!lJTB J. Bt>\'TII.Ul, 1'.\l...76 M:.{~~ti1a~~~ck ·(;I; .th~· Elf;~t 'o'i M~~h~1;i~;ii '-\v~rki~g· ~~- th; •· State of a Solid Surface... . . . . . . • . • . . . . . • . . . . . Dr. E. '1'. Parill: A Note on the Sound generated by a Rotating |
