 | | Report (issue) | | Director PROFESSIONAL PAPER 157 ~rlfE ~J.:, MOTHER LODE SYSTEM O~-, CALIFOl-tNIA BY ADOLPfI KNOPF \~..."'::'.'" ., Prepared in cooperation with the California State Mining Bureau ..!' . ,(".1\\. lit ~...Director Professional Paper 157 rfHE MOTHER LODE SYSTEM OF CALIFORNIA BY ADOLPH KNOPF 6-332 (February...(February 1939) Prepared in cooperation with the California State Mining Bureau Class,_ _ _ __ Book _____ GPO...__________ ______________ _ General geology of the Mother Lode ,belt ______________________________ ... ______ |  | | Report (issue) | | Economic Geologists Annual Meeting, Los Angeles, California February, 1984 Open-File Report 84-169 This...Menlo Park, California 2 California Division of Mines and Geology, Sacramento, California INTRODUCTION...system of the historically famous Mother Lode and East Belt and West Belt (fig. 1), large amounts of gold...also been taken from the Grass Valley-Nevada City lode district and from Tertiary river channels and Quaternary...agreed that the strata of the western metamorphic belt occur in several separate fault-bounded structural |  | | Journal (article/letter/editorial) | | Metamorphic Belt, California J. K. BOHLKE Departmentof Geologyand Geophysics, Universityof California,Berkeley... Mail Stop941,345 MiddlefieldRoad,MenloPark, California 94025 AND R. W. KISTLER U.S. GeologicalSurvey...Mail Stop937, 345 MiddlefieldRoad,MenloPark, California 94025 Abstract Gold-bearingquartz veinsoccur...in the Alleghany,GrassValley, Washington,and Mother Lode districtsyield concordant K-Ar andRb-Srages.The...52.50 296 AGES& SOURCES, Au-BEARING VEINS,CALIFORNIA 297 of Sr, O, Johnston(1940) in differentpartsof |  | | Journal (article/letter/editorial) | | OCCURRENCE OF ALURGITE FROM CALIFORNIA RosBnr W. Wnnn, Uniaersityof California at Los Angel,es. Assrnecr...investigations of mineral localities of southern California, specimens of a copper- to purplish-red micaceous...by Mr. and Mrs. V. D. Myers of Santa Monica, California. Examination of the material shows it to be^a...twenty miles north of the city of San Bernardino, California. The first ravine west of the summit of Cajon...Gui.d,eboofr15, Southem California, 10-21, pl. 3,1932. ALA RGITE FROM CALIFORNIA 125 for the unaltered |  | | Journal (article/letter/editorial) | | Nesbitt et al., 1989). For examplein the Victoria gold belt of Australia,turbiditc-hostedmesothermalgold deposits...contribution,therefore,is of ankerite, quartz, and mariposite(Kashkai,1965; to document a Canadian Cordilleran...Petrography Indexmap I Macroscopic Carbonate-quartz-mariposite ]istwanites are fineto medium-grained, darkolivegreento...consist of 75 to 95 FIG. 3. Carbonate-quartz-mariposite listwanitefromthe shear zoneat the Snowbirdpropertyshowingan...Photomicrographs of thin sectionsof carbonate-quartz-mariposite listwanite.A. Typical ankeritematrix(polarizedlight) |  | | Journal (article/letter/editorial) | | SeveralGold Mines in the Mother Lode, Tuolumne and Mariposa Counties, California R. H. WEIR, JR.,* ANDD...Gold-bearingquartzveinsin the southernpart of the Mother Lode, California,formed from fluidswhich containedSi, K...fault zones. In the Coulterville district of the Mother Lode, these fluids altered ser- pentiniteto a ta...Alleghanydistrict,in the northernportionof the Mother Lode, reveals low-salinity (•2 equivwt %NaC1), C...Oxygenisotopevaluesof vein quartzfrom the southernMother Lode indicateformation by •80-enrichedfluidsin the range6 |  | | Field Trip Notes | | ROADSIDE GEOLOGY AND MINING HISTORY OF THE MOTHER LODE 1994 Gregg Wilkerson and David Lawler BUREAU...UNIVERSITY or California … • * * ** ROADSIDE GEOLOGY AND MINING HISTORY º OF THE MOTHER LODE April 9...Management Earth Science Field Trip Program Mother Lode '94 Bakersfield District Office Bureau of...ROADSIDE GEOLOGY AND MINING HISTORY OF THE MOTHER |*4 EART LODE Gregg Wilkerson and David Lawler INTRODUCTION...field guide follows, with minor modifications, California Division of Mines and Geology Bullet in 141 which |  | Taylor, R. D., Goldfarb, R. J., Monecke, T., Fletcher, I. R., Cosca, M. A., Kelly, N. M. (2015) Application of U-Th-Pb Phosphate Geochronology to Young Orogenic Gold Deposits: New Age Constraints on the Formation of the Grass Valley Gold District, Sierra Nevada Foothills Province, California. Economic Geology, 110 (5) 1313-1337 doi:10.2113/econgeo.110.5.1313 | Journal (article/letter/editorial) | | Gold District, Sierra Nevada Foothills Province, California Ryan D. Taylor,1,2,†Richard J. Goldfarb,1,3...the Sierra Nevada foothills province, central California, the largest historic gold producer of the North...yielded about 70% of the 13 million ounces of historic lode gold production in the district. The oceanic host...foothills province represents the largest historic lode gold producer in the North American Cordillera....mines in 1956, more than 13 million ounces (Moz) of lode gold were produced from Grass Valley at an average |  | | Journal (article/letter/editorial) | | Melones Fault Zone, Sierra Nevada Foothills, California, USA GEORGE V. ALBINO* Corona Gold Inc., 1375 Greg...Greg Street, Suite 105, Sparks, NV, 89431, USA Abstract Albitite, locally aegirine- and riebeckite-bearing...along the Melones Fault Zone near Jamestown, California. Pyrite, magnetite, hematite and titanite are...assemblages that are typical of gold deposits of the Mother Lode Belt. Alkaline fluids responsible for Na-metasomatism...sodium metasomatism, fault zone, Sierra Nevada, California. Introduction MAJOR fault zones are commonly |  | | Report (issue) | | Harvard Open Pit, Jamestown Mine, Tuolumne County, California, March, 1998–September, 1999 by R.P. Ashley1...Geological Survey Menlo Park, California 2 Stanford University Stanford, California Table of Contents Introduction...Jamestown mining district in western Tuolumne County, California (Fig. 1). This district is one of many located...districts along the Melones fault comprise the Mother Lode gold belt (Clark, 1970). The Harvard pit is the largest...site. Symbols show locations of mines of the Mother Lode belt. 3 Crystalline Pit Surface Runoff Detention |  | | Report (issue) | | V c» STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES GEOLOGY AND MINERAL DEPOSITS OF THE ANGELS...AND TUOLUMNE COUNTIES CALIFORNIA SPECIAL REPORT UN.VwKali^ 0^ 41 CALIFORNIA UAVIS At;-: DIVISION...fornia, by George 1-B. The Calera limestone, California, by George W. Walker. 1950. 8 pp., 1 pi.,...of part of the Delta-Mendota Canal near Tracy, California, by Parry Reiche. 1950. 12 pp., 5 figs. Price...Commercial "black granite" of San Diego County, California, by Richard A. Hoppin and L. A. Norman, Jr. 1950 |  | | Journal (article/letter/editorial) | | of the California Gold Rush: Environmental Geochemistry of Arsenic in the Southern Mother Lode Gold District...University , Stanford, California, 94305 b U.S. Geological Survey , Menlo Park , California, 94025 Published...of the California Gold Rush: Environmental Geochemistry of Arsenic in the Southern Mother Lode Gold District...of the California Gold Rush: Environmental Geochemistry of Arsenic in the Southern Mother Lode Gold District...Stanford, California 94305 AND ROGER P. ASHLEY U.S. Geological Survey, Menlo Park, California, 94025 Downloaded |  | | Report (issue) | | GOLD QUARTZ VEINS OF THE ALLEGHANY DISTRICT CALIFORNIA BY HENRY G. FERGUSON AND ROGER W. GANNETT ...mineralization. _ Carbonate ___________ _L____ Mica (mariposite and sericite) Chlorite. ______________ _-___..._______ Quartz 'and carbonate. _ ^_______________ Mariposite Chromite _ Graphite... . _-_______.,________...Fage 1. Geologic map of the Alleghany district, California._,.____-____-______-__-_______--_____-__-_--_-_-_-...fault east of Alleghany with reference to the Mother Lode system_--_-_-_-_--.____ 26 7. A, North sMe of |  | | Journal (article/letter/editorial) | | increasingly available from a wide variety of California localities. Colorado mines began to produce fine...been available within the United States from California dealer Darrell Brown. Well known to American...suction dredge sites on the west flank of the California Sierra Nevada; “nugget patch” metal-detectinglocations...well-known Eagle’s Nest mine, Placer County, California. Martin Zinn specimen, Jeff Scovil photo. Miscellaneous...large nuggets have been available in recent years. LODE GOLD The availability of nonplacer, crystalline |  | | Report (issue) | | DISTRICTS OF CALIFORNIA BULLETIN 193 California Division of Mines and Geology Sacramento, California, 1970...By William B. DISTRICTS OF CALIFORNIA Clark Geologist, California Division of Mines & Geology...Geology, Sacramento, California UNIVERSITY LIBRARY U.C DAVIS '~'^ JUL 'I 'i GOV INFO or"! BULLETIN 193...to the gold deposits in California. Although on treatise a vast California, there in of the knov/n...considerable importance are reports on the Mother Lode belt by Knopf and Logan, and reports on the Grass |  | | Journal (issue) | | ............................ by B. Birch 5 California The history of crystallized gold in C a lif o...mine, El Dorado County, California, by Jules Fricot and donated to the California State mineral collection...Photo by James Patton. See the article on the California State collection beginning on page 81. Copyright...found one in the Huntington Library, San Marino, California. It makes such in teresting reading, and the...Leicht (Kristalle) has spent years researching California localities for crystalline gold, nosing around |  | | Report (volume) | | Deposits of the Big Canyon Area, El Dorado County, California AVAILABILITY OF BOOKS AND MAPS OF THE U.S....ANGELES, California--Federal Bldg., Rm. 7638, 300 N. Los Angeles St. • MENLO PARK, California--Bldg. 3...Rm. 8105, 125 South State St. • SAN FRANCISCO, California--Customhouse, Rm. 504, 555 Battery St. • SPOKANE...County, California By J. THOMAS NASH Description of geology and geochemistry of two types of lode gold...metamorphic rocks and their similarities to nearby Mother Lode deposits U.S. GEOLOGICAL SURVEY BULLETIN 1854 |  | | Report (issue) | | Archive in 2012 with funding from University of California, Davis Libraries http://www.archive.org/det...CALAVERAS COUNTY, CALIFORNIA By WILLIAM B. CLARK, Mining Geologist California Division of Mines ...Mining Geologist California Division of Mines and Geology County Report 2 CALIFORNIA DIVISION OF MINES...1962 UNIYERSITY OF CALIFOI DAVIS STATE OF CALIFORNIA Edmund G. Brown, Governor THE RESOURCES Hugo...Copper-zinc Dolomite (see limestone) 93 : 32 32 Gold Lode gold - — Placer gold 76 93 Iron Lead 93 |  | | Journal (issue) | | representative specimens from the various counties of California and other areas of the world, selected displays...from the famous mineral locality at Crestmore , California . There ·are also exhibitsofrefined metals, meteorites...local significance . The mineral exhibit of the California State Divi sion of Mines was created Aprill6...the twenty-third Legislature of the State of California providing for the establishment and maintenance...length. Several crvstals are bent and curved. 2 California State Division of Mines (Vol. 12 e MINERAL |  | | Report (issue) | | 194 THE GOLD QUARTZ VEINS . OF GRASS VALLEY, CALIFORNIA BY W. D. JOHNSTON, JR. UNITED STATES GOVERNMENT...Magnetite _____ __ ___ _____ _________________ _ Mariposite _______ _________________________ _ Molybdenite...97 98 THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA By W. D. JoHNSTON, JR. ABSTRACT The gold quartz...is re1 2 GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA corded in the fractured vein filling has not...Valley, a thriving gold-mining town in northern California, is on the western slope of the Sierra Nevada |  | | Report (issue) | | Associated with Mother Lode-Type Gold Mineralization, Hodson District, Calaveras County, California CHAFFEE,...Lower Paleozoic Host-Rock Units in the Getchell Gold Belt, Humboldt County, Nevada MADDEN-McGUIRE, D.J. AND......... 11 Regional Geochemical Signatures of Lode Au and Cu Deposits in the Western Half of the Redding...Redding 1x2 Degree Quadrangle, Northern California SILBERMAN, M.L., HASSEMER, J.R., AND SMITH, S.M. ...Pegmatites and Host Rocks, San Diego County, California SNEE, L.W., AND FOORD, E.E. ................ |  | | Report (issue) | | MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town kept ...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 |  | | Book | | >*»> BRITL 622. 09794. C128 c. 1 CALIFORNIA MINERS # CALIFORNIA MINES AND MINERALS 3 T153 DODEETEO...(:()Mi>A.\v \.\i:isi'll California Mines and Minerals PUBLISHED BY THE California Miners' Association under...Edward H. Benjamin, ot Secretary for the California Meeting of the American Institute of Mining...SOUVENIE OF THEIR VISIT TO Tins ,\IIXI>ff; CALIFORNIA SEPTEMBER AND OCTOHEK 1809. K 6k 2 Kntered...Benjamin, Secretary, The Mineral Industry of California. BY Charles G. Yale. ^INCE the discovery of |  | | Journal (volume) | | STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES CALIFORNIA IOURNAL OF MINES AND GEOLOGY Volume... FERRY BUILDmG. SAN FRANCISCO CALIFORNIA ^J STATE OF CALIFORNIA GOODWIN J. KNIGHT. Governor ...1956 CALIFORNIA JOURNAL OF MINES AND GEOLOGY Price $1.00 LIBRARY UNIVERSliY OF CALIFORNIA Da VIS...VIS NO. 1 STATE OF CALIFORNIA GOODWIN J. KNIGHT, Governor DEPARTMENT OF NATURAL RESOURCES DeWitt...a service laboratory for the determination of California minerals and a conference room with a mining |  | | Report (issue) | | 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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Mariposa, Bagby-Mariposa-Mount Bullion-Whitlock Mining District, Mariposa County, California, USA