 | Bramel, Hadley R., Heyl, George R., Cox, Manning W., Ransome, Alfred L., Eric, John H., Wyant, Donald G. (1948) Copper in California. Bulletin 144. California State Mining Bureau | Report (issue) | | ^^titOrpi^ Ir^j, Oiioi ,^irornis ,, STATE OF CALIFORNIA EARL WARREN, Governor DEPARTMENT OF NATURAL...FRANCISCO Chief DECEMBER 144 COPPER IN (In CALIFORNIA Three Parts, Including Outline Geologic Map...Honorable Earl Warren Governor of the State of California Dear Sir: I have the honor to transmit herewith...herewith Bulletin 144, Copper in California, prepared under the direction of Olaf P. Jenkins, Chief of the...2, Eco1, Detailed Reports on the Foothill Copper Belt nomies and Treatment of Ores ; 3, Statewide Tabulation |  | | Journal (issue) | | occurrences, as well as one revised-updated site (Concord mine). Data on these new listings were compiled from...by mining companies continues in the Gold-pyrite belt located in the Piedmont Province and in the mineralized...to operate - Southern Piedmont Mining Corporation at the old Moss mine in Goochland County and the Gold...Company at the Kentuck prospect in Pittsylvania County. It is reported that Minerals and Chemicals Corporation...Corporation produced five ounces of gold in Ooochland County within the past year. Because of the continuing |  | | Report (issue) | | replaced by an aggregate of garnet, epidote, diopside, quartz, calcite, scheelite, and other minerals. Most deposits...United States are in the Great Basin region in California and Nevada and northwestern Utah, but Oregon...Morango district, Calif.; 5, Weldon, Calif.; Humboldt County, 6, Glendale, Calif.; 7, Darwin, Calif.; 8, Bishop...made to develop a deposit in Euby Valley, Elko County, Nev., and in the same month COFTACT-METAMORPHIC...the Humboldt County Tungsten Mines & Mills Co. Other claims were located west and north of Lovelocks; |  | | Report (issue) | | mines, including the celebrated Mount Boppy, which mine Field," of has for some years been the most productive...... ... Railway opened 1891. Burra Burra Copper Mine discovered 1879. Mount Boppy Lode discovered in...respectively, above This plain dips gently to the north-west and west to the Darling River, east to the...White, F.C.S., Assistant Analyst The 30 30 30 30 quartz-felspar porphyries, sedimentary types ... rhyolites...under the Mount Boppy control The Mount Boppy Gold Mine Situation 46 47 48 48 lodes ores... 41 Distribution |  | | Report (issue) | | Boorook by the late Mr. Thomas Horton, Golden Age Mine, which was, possibly, the first deposit of silver...partially successful whilst operating on the oxidised belt of mineral which extended to a depth of 80 feet... At this juncture Mr. Wesley Hall purchased the mine, and with the assistance of Mr. Benjamin T)avey... further period of three years. The main shaft on the mine was sunk to a depth of 320 feet. At the 150-feet...averaged 40 oz. of silver per ton. In 1886 the Adeline Mine, at Drake, was discovered by one named Costa, who |  | | Report (issue) | | intrusion fourth and latest acid intrusion bosses, slate; later ; ; ; dykes Metamorphism— The sedimentaty...Reefs, (/.) The Consols Reefs. (0 Starlight Sunlight Mine. (./) Baker's Creek Reefs. (n) Paradise and (m)...the field have assured me that it is a hardened slate, despite all assurances to the contrary. When it...feasible wei'e the rock under consideration a belt of slate, as believed The country by the inajorifc}^...an example may be quoted the curious belt of rocks running north and south through the Catholic School |  | | Book | | SOUTH WALES Cover photo: Quartz - mudstone - stibnite breccia vein. Eleanora mine. Hillgrove (xO.2). Bibliographic...Quaternary sediments Granitoids "Deformed granitoid belt" .•..............................................."Massive granitoid belt" Oban River granitoid belt Gundle granitoid belt Coastal granitoid belt ..••.. .•................................... Gundle granitoid belt Round Mountain Leucoadamellite Botumburra Range... Carrai area Willi Willi area Coastal granitoid belt Valla - Nambucca district Yarrabapinni district |  | | Report (issue) | | 131 Relations to overlying formations 131 The southern area 131 Distribution 131 Topography 132...Page. —Continued. —Continued. — Continued. The southern area Lithology Origin of the basic schists ..."rock dam" on Pine Creek 189 Black Creek 194 North half West of sec. half of sec. 8, W R. 28 W...topography 200 The northern belt The central belt The southern belt 200 201 203 Distribution 203...Talpose schists 221 Argillaceous rocks 225 Cherty quartz rocks 226 Conclusions from microscopical study |  | | Journal (issue) | | ewslett. Field trip to Bull Run Quarry Loudoun County, Virginia Brander Robinson P.O. Box 76 1 Midd lesburg...co llecting trip to the Bull Run Quarry, Loudoun County, Vi rgini a. This quarry has been in operation...stilbite, and calcite, and has been a favorite of mine for a number of years. Less commonly, molybdenite...with minor stilbite , Bull Run Quarry, Loudoun County, Virginia collected by Brander Robinson, July 1998...than 1 mm long from the Blackbird District, Le mhi County, Idaho, photo by the author. and gives me something |  | | Report (volume) | | BLACK MOUNTAINS, AND.GRAND WASH CLIFFS MOHAVE COUNTY, ARIZOiNA BY F. C. SCHRADER WASHINGTON GOVERNMENT..._____________ ______.____ ___ 45 Production of Mohave County._____________ 47 General character of deposits...Tennessee mine _____________________._ 54' Schuylkill mine____________________________ 57 Elkhart mine _______:..._______: __________________ 57 Distaff mine ______________________________. 60 Mollie Gibson mine________________________...mine________________________ 60 Hercules mine ________________________ 60 Badger mine______________________________ |  | | Report (issue) | | in sedimentary or volcanic rocks (Ty Cupriferous quartz veins and shears (Type C) ........................................................... Whim Creek mine ...................................................................................... Mons Cupri mine ...................................................... Evelyn copper mine ............................... Yannery Hill copper mine ......................Copper mineralization associated with fracture or quartz vein stockworks (Type D) ..................... |  | | Journal (volume) | | 182, Analysis of Aluminium Clogau Copper-Gold Mine Coal from South Africa to Europe 88, 1.52, »£i...Cobalt, Ontario Cobalt, Silver Ores at Coed Mawr Mine Coke-Oven Gases. Alcohol from Collins, Colloil ...Compass, Gyrostatic Congo Copper Output Connemara Gold Mine, Metallurgy at "* Report Consolidated Langlaagte...(m.d.) Copper, Refined (m.d.) Copper Smelters in North America Cordoba Co. Goes to India 32() 123 124...South- West Africa Diamonds, West African Ding Doner Mine Dolcoath Dunn 350 *306 378 253 383 (jn.d.) (m |  | | Report (issue) | | feet, and runs neai'ly south-south-east and north-north-west. This range seems to have been the feeder...gold, but at great depth. There was a prospecting shaft put dowir on this flat, upwards of 300 feet, without...there is, however, a considera.ble quantity of quartz lying at several of the leaseholds, which will...1 oz. 5 dwt. per ton." " The total quantity of quartz crushed on the field during the year has been,...Ironclad Reefs. Even as early as t'^is the main shaft of the Ironclad was 270 feet in depth, and said |  | | Report (issue) | | 29 29 29 CHAPTER nI.-JOHNSON CAMP AREA, COCHISE COUNTY, ARIZONA. By John R. Cooper .....................39 39 39 39 39 40 41 42 43 43 44 45 San Xavier Mine...................................................Extension Mine .................................................................. Olivette Mine ............................................. Helmet Peak Mine............................................................ ......................... Paymaster Mine ................................................. |  | | Journal (issue) | | page: Rough emeralds mined by Gemfields at the Kagem mine in Zambia. (Photo courtesy of Gemfields) CONTENTS...The New Dynamics of the Colombian Emerald Sector Mine Tour 44 22 32 In Search of Colombia’s Green Dreams...Emerald Mines Education 44 50 Education and the Mine-to-Market Story Beautifying Emeralds - The Perennial...Russia: The Geology and Gemology of the Malyshev Mine Emerald Origins 88 98 106 78 4 InColor ׀Special...Yeong ashlynn.yeong@gemstone.org InColor Bureau USA Claudiu Margarit claudiu@gemstone.org [1] (212) 620-0900 |  | | Journal (volume) | | flourishing state than at any previous period . Paying quartz lodes were more numerous, and were being successfully...productive , perhaps , as at any former period . The quartz lodes of Victoria in course of being worked were...unparalleled drought has closed the doors of half the quartz mills of the colony ; so that what between the...auriferous lodes, we should like the question of deep quartz mining advanced another stage towards settlement...There is one marked difference between a quartz and an alluvial mine. inexhaustible,the termination of the |  | | Journal (volume) | | Anglo-Persian buys Scottish Oil Antelope Report Antelope Mine to close (m.d.) Arsenic, Estimation of Ashanti Goldfields...Goldfields Corporation Ashanti Goldfields Shaft Accident Associated Gold Mines Associated Nigeria Tin...Extension... Broken Hill Junction Broken Hill, North Broken Hill Proprietary Broken Hill Proprietary...Report 9 75 127 200 Brakpan Progress Brandlehow Mine Jumbil and Trevascus Bullen, F. Bullfinch Proprietary...116 his Hydraulic [noomi I, !• Sulphur I | Mine 71 'I'm "*•) U90 :J "7 R< (m.d.) -J..o . |  | | Book | | ceived ssmam sits)s Gold-bearing rocks, other than quartz, also auriferous arsenopyrite and stibnite .. 2...Nicola mines........... From other claims in the southern interior. 4. Cariboo and northern interior......common limes.........-....+-- Roofing slates and slate flooring tiles...........-.. V. MINERALS EMPLOYED...es eicresea ame,sey vo he RN ‘eae 139 162 Quartz, quartz sand, and sandstone, suitable for glassjase...Graphite.—Lot 3, range II. of Grenville, Argenteuil county, Q.—Coll., R. Bell, 1856. (1228.) — columnar.——Lot |  | Theodore, Ted G., Blair, Will N., Nash, J. Thomas, McKee, E.H., Antweiler, J.C., Campbell, W.L. (1987) Geology and gold mineralization of the Gold Basin-Lost Basin mining districts, Mohave County, Arizona, with a section on K-Ar chronology of mineralization and igneous activity, and a section on implications of the compositions of lode and placer gold. Professional Paper 1361. US Geological Survey doi:10.3133/pp1361 | Report (issue) | | Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...GOLD BASIN-LOST BASIN MINING DISTRICTS, MOHAVE COUNTY, ARIZONA Placer gold nugget about 1 cm wide showing...molded partly against rounded fragment of clear vein quartz. Collected from King Tut placer workings, Lost...Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona By TED G. THEODORE, WILL N. BLAIR, and...Gold Basin-Lost Basin mining districts, Mohave County, Arizona. (U.S. Geological Survey Professional |  | | Report (issue) | | position of ocher beds near Brandon .......... 7-01d mine drift, South Wallingford .........................between two slopes 240 34—West-East section at north end, along line A-B .............. 241 35—East-West...is the red sandrock. Shales, limestone and some slate are also found in the Cambrian. It is evident to...Cambrian. These are all lower Cambrian, but farther north in St. Albans, and about that region there is middle... A very short distance across the Canada line, north of Newport, unquestioned Devonian limestone appears |  | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... 245 Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and..._____ Lithology and petrography.______________ Quartz-biotite schist and gneiss. ______ Quartzite_ _...petrography.______________ Biotite granite and quartz monzonite-_ Hornblende diorite_ ________________...Future of the district.-__-__.-.____-__ _______ Mine descriptions._______________________ _______ Beaver |  | | Report (volume) | | ·eochemicaf, Anomalies Mineral Belts in Western Sierra County, New Mexico, Suggested by Mining Districts, Geology...information on mineral belts in western Sierra County, New Mexico, indicates many new areas favorable...(Tom Gray), 1921Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology...resources-New Mexico-Sierra County. 2. Geology-New Mexico-Sierra County. I. Heyl, Allen Van, 1918- II...summary of the western mineral belt Mineralization in the western belt 5 Phillipsburg and Grafton districts |  | | Report (issue) | | throughout the S t a t e from the Kimberleys in the north t o Ravensthorpe near the south coast. The former... . . . . . . . . Other Deposits (Blaelis Copper Mine and Tarraloola) The Gascoyne GoldfieldThe Mangaroon...('attlrn Group T h e Klverdton Mine The 1)esmond Mine l'lre 311. Renwn Mine 181 1$2 182 183 184 185 hillips...from as far north as the Kimberley Division t o a s far south as Ravensthorpe near the southern coa,st. The...known deposits are steeply dipping copperbearing quartz veins i n Archaean metasediments or basic igneous |  | | Book (volume) | | OFFICE 1956 BERKELEY LIBRARY UNIVERSITY OF CALIFORNIA DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH...Bodmin Moor (p . 578). 10 . Liskeard district North Hill (p . 582) ; Caradon and Phoenix (p. 589); St.... Central Dartmoor (p. 720); North -eastern Dartmoor (p. 725); Southern Dartmoor (p . 727); Ilsington...Cyres Upton Pyne (p. 754). 14. North Devon and Somerset district North Devon (p . 757) ; West Somerset...Wolfram Lode .. . FIG . 35. — Castle-an -Dinas Wolfram Mine; longitudinal section .. .. FIG . 36 . — The |  | | Book (volume) | | . . . . . . . . . . . . . . . . . . . . . 5 82 North Hill (p. 582); Caradon and Phoenix (p. 589); St...... Central Dartmoor (p.720); North-eastern Dartmoor (p.725); Southern Dartmoor (p. 727); Ilsington andAshburton...754 ). 750 14. North Devon and Somerset district ................................ North Devon (p. 757);............. 523 FIG. 35.-Castle-an-Dinas Wolfram Mine; longitudinal section .................. 524 FIG....................... 592 FIG. 37.-South Phoenix Mine; transverse section showing the lodes occupying |
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