 | | Journal (article/letter/editorial) | | JULIAN DISTRICT, SAN DIEGO COUNTY 331 GEOLOGY AND MINERAL DEPOSITS OF THE JULIAN DISTRICT, SAN DIEGO...DIEGO COUNTY, CALIFORNIA * By MAURICE DONNELLY *• OUTLINE OF REPORT Page ABSTRACT __ _____ - - -- ___...--- ---- ---- - ---- - --- - ---------------- 337 Julian Schist ------------------- - --- - -------- - ----...of the Julian SchisL-------- - ----------------- - - -- ---- - ----- 339 Structure of the Julian Schist_...______ __ __ _______ ________ ____ 339 .Age of the Julian Schist_ _______ ____ ___ ___ ________ ___ __ ____ |  | | Report (issue) | | Archive in 2012 with funding from University of California, Davis Libraries http://www.archive.org/det...MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California Division of Mines...Stewart COUNTY REPORT California Division of Mines Ferry Building, LIBRARY UNIVERSITY OF CALIFORNIA DAVIS...DAVIS San 3 and Geology Francisco, 1963 ^ OF STATE OF CALIFORNIA EDMUND G. BROWN, Governor J?...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT |  | | Journal (volume) | | STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director DIVISION OF MINES...MINES FERRY BUILDING, SAN FRANCISCO WALTER Vol. 30 W. BRADLEY State Mineralogist JANUARY, 1934 No...No. CALIFORNIA JOURNAL OF MINES AND GEOLOGY QUARTERLY CHAPTER OF STATE MINERALOGISTS REPORT XXX STATE...DIVISION OF MINES FERRY BUILDING, SAN FRANCISCO, CALIFORNIA CALIFORNIA STATE PRINTING OFFICE HARRY HAMMOND...SACRAMENTO. 1934 10323 LIBRARY UNIVERSITY OF« CALIFORNIA DAVIS 1 DIVISION OF MINES EXECUTIVE AND TECHNICAL |  | | Report (issue) | | nomenclature. 1. U.S. Geological Survey, Menlo Park, California. TABLE OF CONTENTS Introduction.............deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...in the Sierra Nevada, California (Clark, 1970); Klamath Mountains, California-Oregon (Hotz, 1971); and...(ankerite, calcite, dolomite, and siderite), albite, biotite, and chlorite among others (Berger, 1986). Low-sulfide...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent |  | | Report (issue) | | A3 no. 177 I • •' LIBRARY' UNIVERSITY OF CALIFORNIA DAVIS • ., M•' ... 0 • '."-.. - ~ ·...I ' _....\1 • \ s i I ::5l STATE or CALIFORNIA GOODWIN J. KNIGHT, Governor DEPARTMENT OF NATURAL...DIVISION OF MINES FERRY BUILDING, SAN FRANCISCO 11 GORDON B. OAKESHOTT. Chief SAN FRANCISCO BULLETIN 177 GEOLOGY...RESOURCES OF SANTA YSABEL QUADRANGLE SAN DIEGO COUNTY, CALIFORNIA Price $1.50 LIBRARY :UNIVERSJTY OF...has cataloged this p ublication as follows : California. D ivision of Jvlines. Geology and n1ineral resources |  | | Report (volume) | | 17 Climate and vegetation. 18 _._ History of mining and present conditions___________________ 20 ...______ _ Empire Mountains ________________________ San Cayetano Mountains . ______ __ __ Canelo Hills__...____________ Mining districts, camps, and properties. Helvetia district_ . General features. __ Helvetia camp__..._______________ _____ Ore deposits _ . Copper World mine ____ _____ _____ Location and topography _ _ History..._____ Black Horse mine _ Leader mine_ '. Isle Royal mine Heavy Weight mine Old Dick mine _______________ |  | | Report (issue) | | Mojave Deserts, southern Arizona and southeastern California, United States, and northern Sonora, Mexico By......... 15 ROAD LOGS FOR FIELD TRIPS Historic mining camps of southeastern Arizona-A road log with geologic...Geology of the gold placers in the Greaterville District, Arizona By I...eslie J. Cox ...................porphyry copper deposit, Silver Bell Mountains, Pima County, Arizona By Spencer R. Titley ....... ...........introduction to new work in the San Manuel and Mammoth Districts, Pinal County, Arizona By Eric R. Force and |  | | Report (issue) | | publish a brief preliminary description of this district. Development work has not been very extensive...The deposit is located in the Plomosa mining district, Yuma County, Ariz., in the southern part of the...known as Cinnabar. Vicksburg, on the Arizona and California Railroad, is the most accessible station, and...rock in which the deposit worked by the Colonial Mining Company occurs is unlike most of the schists in...quantities. In a prospect owned by the French American Mining Company, located a short distance from the one |  | Keith, S.B., Schnabel, Lorraine, DeWitt, Ed, Gest, D.E., Wilt, Jan (1983) Map, description and bibliography of the mineralized areas of the Basin and Range Province in Arizona. Open-File Report Vol. 1983 (84-86) US Geological Survey doi:10.3133/ofr8486 | Report (issue) | | produced ore (Keith and others, 1983), (2) have mine workings to suggest past production, (3) are described...unpub. data), or (5) have been investigated by mining companies who have documented the presence of mineralized...Area may not be the same as the conventional Mining District name from older literature for the same geographical...geographical area. If an existing Mining District contained deposits of a specific age and type (for example...an existing Mining District contained deposits of differing ages and types, the district was subdivided |  | | Report (volume) | | ............................................ California....................................................................................... 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 |  | | Report (issue) | | rhyolite-Bisbee Group section is intruded by the 74 m .y. Mine Camp stock (C rease y , 1967) near Gran ite Peak...displays A, Band C soil horizons. 1.0 105.4 Pima County line . Terrace alluvium on both sides of road ahead...Peak (A}, French joe Peak (F), Granite Peak (G), Mine Camp stock(s) and Mescal Spring fault zone (MS)...purchased by Anamax Mining Company for the water rights to deve lop the Helvetia-Rosemont deposits in...the discovery of placer gold in 7874. The mining district was organized in March, 7875. Scarcity of water |  | | Report (issue) | | '1030571 04 M030562 04 M030563 04 '1030584 04 CouNTY DEPosir 'ostHP +litire LAtiroOE ♦ Looroae 28N... wA A 7 PROSPECT 15N 02E 27 MU AMOLE DISTRICT BANNER DISTRICT BLUE HELL GROUP 19N 215W 101 35-03-A wA...CUA AG BORIANA MINE 18N 115W 118 34-56-154 113-54-53W CATALINA DISTRICT CATALINA DISTRICT CHILDS-ALOWINKLE...CHILDS-ALOWINKLE HUN CINNABAR MINE 02N I14-19-18w 09 33-32-154A CUPRITE MINI 175 16E 28 31-55-314 110-42-30w CU AG...ZN PB MU AU AG PB DOYLEV VANADul4 1-LINE V EAST HELVETIA DEPUSI 185 115E 125 31-49-594 110-45-33W CU mu |  | | Report (issue) | | rocks . . . . . . . . . . Granitoid rocks of the Helvetia stock . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . Granodiorite of the San Cayetano stock. . . . . . . . . . . . . . . . . ...minerals of rocks of the Gringo Gulch pluton and of the San Cayetano stock ....................................showing distribution of granitoid rocks of the Helvetia stocks and porphyry of the Greaterville plugs...Photograph of specimen 174, quartz monzonite of the Helvetia stocks ...................................... |  | | Report (issue) | | ....................... 63 22. Location map of mining districts .......................................Principal deposit types and cumulative production in mining districts.............. 13. List of mines with...(formerly Papago), San Carlos, and Maricopa (Ak Chin) Reservations and all of the San Xavier Reservation...lacking. A similar assessment is underway for the San Carlos Reservation, a small part of which projects...similar studies have yet been made on the Maricopa or San Xavier Reservations, in the northwest corner of the |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |  | | Report (issue) | | ASHLEY SCHMITT "As !look back on four decades in mining geology I am impressed by the magnitude of the...geologists who developed the art and science of mining geology into a leading factor in the unprecedented...geology in 1926. His thesis work in the Parral District of Chihauhua, Mexico, (1931) and other investigations...southern Arizona, Virginia and the Central Mining District of New Mexico from 1927 to 1931 and subsequently..."In conclusion, it is perhaps significant that mining geologists whose living depends on their success |  | | Report (volume) | | .............................................. Mining development................................................................................... Helvetia-Rosemont area...................................distribution of elements in altered rocks of the Helvetia-Rosemont area: 3. Copper_____________________...spectrographic analyses of mineralized rocks of the Helvetia mining district___________________________________________________...features. Some geochemical anomalies delineate known mining camps; others suggest additional exploration targets |  | | Book (edition) | | Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING AND MINERALOGY The Prehistoric Period 20 Arizona...Deposits 63 The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St...Mammoth-St. Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - • Vll...Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites PART |  | | Report (issue) | | Canyon dike swarm_____________________ _______ Helvetia stocks.·---------·-·---··--------·---------·-------------------........................... Dikes and stock of the San Cayetano Mountains........................................... 6. Map showing the distribution of Helvetia stoeks and Greaterville intrusives, ore porphyry...-------7. Photograph of granodiorite from the Helvetia stocks_______________________________________...--9. Photomicrograph of quartz diorite of the Helvetia stocks....................................... |  | | Journal (article/letter/editorial) | | Hasvik, SOrOy, gabbro, 815. Sulitjehna, almandine, biotite, hornblende, muscovite, paragonite, 693. Sweden...Cumberland, gilbertitc, 6o6. George and Charlotte mine, Tavistock, Devon, 'tavistockite', [ 23. Grassington...Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard, analcime... INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston Down Consols" mine, arthurite, 52o. Lee...('tavistockite'), 123. Tregarden, biotite, 606. Trelavour, biotite, 6o6. WALES Moel Goedog, Harlech | | | Book (edition) | | Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING The Prehistoric Period 20 Arizona Under Spanish...Deposits The Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St.... Anthony Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 il S:...Breccia Pipes 87 Pegmatites 88 “Mine Fire” Minerals, United Verde Mine, Jerome Arizona Meteorites 93 PART |  | | Book (edition) | | Muineralogy of Arizona Stope in oxide ore, Copper Queen mine, Bisbee. These old workings were probably mined...his co-authors. A graduate of Michigan College of Mining and Technology (now Michigan Technological University)...a member of the faculty of Michigan College of Mining and Technology for three years, leaving that position...noted for computer applications in geology and mining engineering. The authors and publisher express...permission to reproduce the Map and Index of Arizona Mining Districts. Carleton B. Moore, Peter R. Busek, and |  | | Report (issue) | | SierritaEsperanza copper-molybdenum deposit, Pima County, Arizona, in Jenney, J. P., and Hauck, H. R., eds... 1939, Geology of the Lead Mountain area, Pima County, Arizona [M.S. thesis]: Tucson, University of Arizona..., 1920, The southern section of the Amole mining district: Arizona Bureau of Mines Bulletin 106, p. 19-25...Report on the Loma Prieta mine (copper and molybdenum), Copper Basin, Yavapai County, Arizona: U.S. Geological...mineralization, Bagdad, Arizona: American Institute of Mining, Metallurgical,and Petroleum Engineers Transactions |  | | Journal (article/letter/editorial) | | ........................................ 238 Mining districts ....................................... an importantdistributiveand shippingpoint for mining districts, is locatedon the Benson-Nogales branchof...range. MINING DISTRICTS. Beginning on the north the range is subdividedinto the Empire, Helvetia, Greaterville...Greaterville,Old Baldy, Tyndall, San Cayetano;Wrightson,Red Rock, Harshaw,Palmetto,Patagonia,and Nogalesdistricts...Greatervilledistrictson thenorth,the Tyndall district,on thewest-central slopeof therange,andtheFlarshaw | | | Book (edition) | | his co-authors. A graduate of Michigan College of Mining and Technology (now Michigan Technological University)...a men1ber of the faculty of Michigan College of Mining and Technology for three years, leaving that position...noted for con1puter applications in geology and mining engineering. The authors and publisher express...permission to reproduce the Map and Index of Arizona Mining Districts. Carleton B. Moore, Peter R. Busek, and...Copper-Related Deposits The Bisbee District Tl1e Mammoth-St. Anthony Mine, Tiger 17 17 21 3. Uranium and |
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