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| MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA By WILLIAM B. CLARK, Mining Geologist...Geologist California Division of Mines and Geology County Report 2 CALIFORNIA DIVISION OF MINES AND GEOLOGY...MINES AND GEOLOGY Ian Campbell, State Geologist COUNTY REPORT Price $4.00 2 6 1 - CONTENTS ABSTRACT...metals 106 and semi-precious minerals Precious Quartz 106 '- 106 crystal 107 *- Quicksilver Silica...Limestone Manganese - - Mineral paint - — Quartz 211 21 21 crystal Quicksilver 213 Roofing |
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| Sacramento Field District 7 Gold Mines of Placer County 7 San Francisco Field District 07 Los Angeles...classes: Mines and mineral resources of a given county (describing kind, character, distribution and extent...Mining Engineer GOLD MINES OF PLACER COUNTY Foreword. Placer County, taking its name from the Spanish meaning...region that has produced so much placer gold, the quartz mines found so far have not been extensively worked...Penryn and Rocklin; copper, chromite, iron ore (this county having once suplimestone, ported the only blast |
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| LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank Baker Moore...geology Production References cited Mine descriptions « Lawson area, north of Clear Creek Larger mines in...ClevelandC?) mine Flat Iron vein Mines east of Red Elephant Hill Central America (Tinker) mine-Comstock vein...Dexter mine i Johnson group Last Chance mine « r Little Giant mine Little Superior (Jack Rabbit) mine Orient...Orient mine Panama group ; Young America vein Mines west of Red Elephant Hill Amboy mine Girard mine Kanawha |
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| PHYSICAL SCI. COUNTY REPORT 7 GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA Uk ... R&daubced. oj COUNTY IMPERIAL Gedifansua By Paul K. Morton Geologist COUNTY REPORT California...Sand Hills, as viewed toward the northwest from County Park. The prevailing wind direction, as indicated...PREFACE vi ABSTRACT vii INTRODUCTION Summary of County 1 Mineral Trends and Needs Principal Geographic...Quaternary lake beds Eastern and northeastern Imperial County Sedimentary breccia 1 1 1 1 1 19 19 19 1 Andesite |
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| RESOURCES OF KERN COUNTY CALIFORNIA CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 1 i y 1966... Front cover: The exceedingly varied terrain of Kern County is shown by the brown section— from McKittrick...Nevada and Owens Peak (highest point in the county); on the east (right side) is the sharp descent to the...Rhodes. MINES AND MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA By BENNIE W. TROXEL, mining geologist...geologist California Division of Mines and Geology County Report f Ferry Building, San Francisco 1962 |
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| element principally sought were listed by the State Mine Inspector of which four actually produced some gold....... 13 13 15 15 15 16 18 Chapter II-Yavapai County..................................................23 Eureka district................. 23 Hillside mine ~.................................................and Dexter mine................................................................ 25 Cowboy mine........................ 26 Crosby mine 26 Southern Cross mine 27 Mammoth or Hubbard mine....................... |
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| _______________________ 57 Older quartz monzonite _____________________ 60 Quartz diorite_ _______________________..._______________________ 62 Younger quartz monzonite____________ ___ 64 Granite porphyry_________________________ 64 Aplite...70 Rhyolite (Miocene?)___________.___________ 70 Quartz latite porphyry__.___________________72 Older andesite..._______________ _____ Ore deposits _ . Copper World mine ____ _____ _____ Location and topography _ _ History..._____ Black Horse mine _ Leader mine_ '. Isle Royal mine Heavy Weight mine Old Dick mine _______________ |
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| classes 1. Mines and mineral resources of a given county or area (describing kind, character, distribution...SUMMARY 10 Imperial County, Cargo Muchacho and Picacho District Inyo County, Argus Range and Skidoo... 10 Kern County, Mojave, Tropico, Kernville and Randsburg Districts Los Angeles County 10 11 Mono...Mono County, Bodie, Blind Springs Hill, Masonic, and Silverado Districts Mono Leake, May Lundy 11 ... Riverside County, Chuckawalla, Eagle Mountains, Pinto Basin and Pinacate Districts 11 San Bernardino |
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| Mineral Resources GEOLOGIC BRANCH of Sierra County 7 68 Current Notes 68 SPECIAL ARTICLES 69...classes 1. Mines and mineral resources of a given county or area (describing kind, character, distribution...DISTRICT MINES AND MINERAL RESOURCES OF SIERRA COUNTY By Charles V. Averill, District Mining Engineer...SIERRA COUNTY, WITH REFERENCES TO REPORTS OF STATE MINERALOGIST 50 GEOGRAPHY Sierra County is one of...Sierra Nevada continues through Plumas County, which adjoins to the north, but ends just beyond. Deep can- |
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| Mines and mineral resources of 7 11 Santa Cruz County, by Henry G. Hubbard 11 Discoveries in the strategic...O'Brien 77 Current mining activity in Plumas County, by C. A. Logan 85 GEOLOGIC BRANCH 88 Current...source of the gold, the name and location of the mine, and name and address of the seller. The nominal...advise those seeking technical engagements with mine operators, and we maintain a file specifying qualifications...received for men to fill certain types of posi- mine operations. We have also assisted in filling personnel |
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| of Portions of Del Norte and Siskiyou Counties, North- westernmost California 123 Applications of Geology...classes: 1. Mines and mineral resources of a given County (describing kind, and extent of development). ...published soon. is engaged in the preparation Gold Belt of California, which SAN FRANCISCO FIELD DIVISION...half a degree of latitude, from 40° 30' to 41° north, are included in the Redding and Weaverville quadrangles...Mineralogist's Report XXVII. 1 Redding, county seat of Shasta County, is located at the extreme northern |
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| classes Mines and mineral resources of a given county or area (describing kind, character, distribution...of these minerals Number of total value of the County mineral products 11 18 18 20 Imperial Inyo ...Inyo and ties. San Bernardino counties. In Inyo County high-grade magnetite ore was being mined from the... 20 miles north of Trona, the ore being shipped to San Francisco. In San Bernardino County high-grade...Luis Obispo, and Santa Barbara counties. Gold. Mine development and the production of gold showed |
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| ...................... 1. Rocks from Aroostook County..... ^..................'........... 2. Miscellaneous.... ................'............ 2. Gabbro and diorite...........................'................................................................ North Carolina..............................................1. Elliott County dike............................................... 2. Crittenden County dike............................ Schist from the Aragon iron mine............................... ill 17 .18 18 19 |
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| WILDERNESS MINE,RAL. RESOURCES YOF· THE STRAWBERRY.· MOUNTAIN WILDERNESS AND ADJACENT AREAS, GRANT COUNTY, OREGON...Strawberry Mountain Wilderness and Adjacent Areas, Grant County, Oregon By THOMAS P. THAYER and JAMES E. CASE,...Strawberry Mountain Wilderness and adjacent areas, Grant County, Oregon. (Studies related to wilderness-wilderness...considered for addition to the Wilderness in Grant County, Oregon. CONTENTS Page Summary ___ -: ____...______________________________ L _________________ _ Celebration mine ____________________________________________ _ |
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| Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE, ]R., and...Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake,. Jr., and...1918Economic geology of the Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central... III. Title: The Central City district, Gilpin County, Colorado. (Series) For sale by the Superintendent...rocks _____________________________ _ Microcline-quartz-plagioclase-biotite gneiss_ Biotite gneisses _ |
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| gneiss. _________________________L___ J.______ Quartz gneiss.____________________________L__-_-_._-__...---------------- 20 21 21 '22 22 22 23 23 24 Quartz diorite_____-_--__________-____-__--__-__-___-__..._____-______ Fluorite.._________________________________ Quartz and cryptocrystalline silica.__________________________...is in the central part of the Front Range mineral belt, a northeast-trending zone of porphyritic intrusive...form five large conformable layers. In addition, quartz gneiss, amphibolite, and calc-silicate gneiss occur |
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| Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY...fieldwork in the central part of the Front Range mineral belt between 1951 and 1956 by geologists of the U.S....-----------Central City district _____________________ ------Quartz Hill-upper Russell Gulch area ________ -Flack vein...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher...Iron mine, by A. A. Drake, Jr ___________ _ Jefferson-Calhoun vein _________________ _ Kirk mine ____ |
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| Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product...Cemetery ................... 12 Mowry Town Site and Mine ........................ 14 Mowry Sme ter l Site...ore deposits of the Dragoon quadrangle, Cochise County, Arizona Graeme, R.W., 1981, Famous mineral localities;...Red Mountain porphyry copper deposit, Santa Cruz County, Arizona Schrader, F.C., 1915, Mineral deposits...(1.4) Junction of St. Marys and 1-10. Take 1-10 East to Route 83 (exit 281 Sonoita Road). (23.4) Junction |
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| in slate .......... . VII. Open-cut showing belt of quartz veins .....•.................... VIII. Serpent...anticline ............................. . IX. Barrel quartz. . . . . . . . . . . . . . . . . . . . . . . ....showing corrugations .............. . XII. Belt of veins, Dufferin mine, showing entrance of angulars from the............................... . XIII. Richardson mine, showing angulars in the foot-wall on the apex of............•...........• XV. Stamp mill, Dufferin mine, Salmon river ....................... . XVI. Ore-shoot |
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| Yo ( 'oiN TY . 1 >i:i'( >SII'S '2'.)S : County Sax r.KKNAHDINO li'.is -U'J ( "OINTY '.\'2~)...Ckiiiht Minintniii llu- ( 'niiiiiany. 1"' County 'iimpaiiy's Kiswirk. plnni. sint-ltrr ()ii;iinal...entrance ai View the Hully iif Smrar Loaf Copper Mine. Shasta ('ounty... ilie Hill tnniiel djiened...lialaklala Ki'swick furnace. roastiu}; '>•'• Mine Sketcli showiii;; on- deiiosits of Iron .Mountain...snnlier. Shasta .Mine. Kiu'.: l^alaklala ( Shasta 77 7M Unlly Hill Mines. Shasta County ^1 tunnels |
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| crystalline rocks Maine 1. Rocks from Aroostook 'County 2. Miscellaneous rocks5 v New Hampshire 5 Vermont...Gabbro and diorite 5 3. Granite and gneiss 5 4. Miscellaneous rocks Virginia North Carolina Georgia Kentucky...Kentucky 1.. Elliott County dike 2. Crittenden County dike Tennessee Missouri Arkansas Oklahoma Texas...Upper Quinnesec Falls Schist from the Aragon iron mine Page. 5 15 5 18 5 24 5 25 5 25 5 25 5 26 26 5 27...Helena-Butte region 3. Crazy Mountains 4. Little Belt Mountains5 5. Castle Mountain district 6. Highwood |
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| Geology of Santa Rosa Mountain Area, Riverside County, California, by Lawrence B. Wright Geology and...Diego 15 County, California, by S. C. Creasey Tin Deposits of the Gorman District, Kern County, California...Mountain area, T. 7 S., R. 5 E., S.B., Riverside County, California A, View northwest from near west center...Julian-Cuyamaca area, San Diego County, California 16 Geologic and topographic map, Friday mine-Inspiration Point area...Kern County, California 38 Geologic map and sections of Upper Butler tin prospect, Kern County, California |
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| BY RALPH TUCK Investigations in Alaska Railroad belt, 1931 (Pages 469-530) UNITED STATES GOVERNMENT...Creek____________________________________ 517 517 517 Quartz Creek_________________________________-__-_.__...Canyon Creek________________________________________ Mills Creek___.___________________________.__________...map showing areas investigated in Alaska Railroad belt, 1931__..........----__--._......-..._________________...underground workings and position of the vein at Hirshey mine._________________________________________ 58. Plan |
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| Mineral Production General Features I. Alpine County. 5 6 6 , Mining Districts The Mogul and Monitor...27 27 27 , , Bibliography Chapter II, Inyo County. Introduction and Acknowledgments Location and...and water supply List of watering places in Inyo County Topography and drainage , Culture Mode 38 39...Pegmatite dikes Quartz veins Deposits in limestone and other Paleozoic or Mesozoic sediments Quartz veins —...Replacement deposits Contact veins Tertiary deposits Quartz veins Gold and copper ores along contacts Sedimentary |
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| centers of the state; exhibits of minerals, rocks, mine models, etc.; a service laboratory for the determination...Quicksilver Deposits of the Oakville District, Napa County, California, by Philip F. Fix and C. Melvin Swinney...Tuolumne County, California, by Clarence A. Logan 47 Barium, by W, B. Winston 85 Penn Mine Slag Dump...Dump and Mine Water, Calaveras County, fornia, by Frank J. Wiebelt and Spangler Ricker Division of Mines...La Joya mine, Napa County 1. Geologic 2. Underground workings map of of La Joya mine, Napa County |
