 | | Report (issue) | | Mountain-type Au-Ag polymetallic veins, Blue Mountains, Oregon, for use in resource and environmental assessment...Mountain-type Au-Ag polymetallic veins of eastern Oregon can be used: (1) to characterize the gold and silver...maximum depths, target areas, and overall lengths of mine workings for use in environmental assessment. The... Eighty percent of the deposits have subsurface mine workings lengths between 1,100 and 5,900 m (fig...Oxidation of exposed sulfides will occur in old mine workings. The three models are offered as potentially |  | | Report (volume) | | River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER MOORE GEOLOGICAL SURVEY ...of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults (veins) of the...deposits to garnetiferous gneiss in the Mary, Golconda, and Almaden mines__ v Page 12 45 48 65 70...analysis of biotite-quartz-plagioclase gneiss, Almaden mine _____ -------------- ________ ----------_ 4. Modes...and chemical analyses of pyrite, sphalerite, chalcopyrite, and galena separates---------------------- |  | | Report (issue) | | STATE OF OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES 329 SW. Oak Street Portland, Oregon Bulletin...No. 14-A Oregon Metal Mines Handbook By the Staff Bulletin No. No. 14-A Northeastern Oregon-East Half...Northeastern Oregon-West Half No. 14-C Southwestern Oregon No. 14-D Northwestern Oregon No. 14-E Central...Southeastern Oregon ----�- 1939 STATE GOVERNING BOARD W. H. STRAYER, CHAIRMAN BAKER ALBERT BURCH...• FOREWORD T HE ONLY handbook or catalog of Oregon mines ever published was issued in 1916-more than |  | | Journal (issue) | | WASHINGTON November 2, 2013 9:00 am to 5:00 pm Clark County P. U. D. Building 1200 Fort Vancouver Way Vancouver...to see and enjoy. 5:00 pm Dinner will be at the County Buffet in Vancouver. Please join us if you can...Ft. Vancouver Way Washington Interstate Bridge Oregon Columbia River 2 President’s Page Fall 2013...G. Howard, editor 356 SE 44th Avenue Portland, Oregon, 97215 e-mail: pogodh@hei.net DUES: $15 per year...“Kelly” Starnes 1276 SE Goodnight Avenue Corvallis, Oregon, 97333 e-mail: bikeklein@yahoo.com ing of the |  | | Report (issue) | | RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank Baker Moore Prepared on behalf...and summary of geology Production References cited Mine descriptions « Lawson area, north of Clear Creek...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 |  | | Report (issue) | | RECONNAISSANCE OF PART OF NORTH-CENTRAL CLEAR CREEK COUNTY COLORADO This report concerns work done on behalf...RECONNAISSANCE OF PART OF NORTH-CENTRAL CLEAR CREEK COUNTY, COLORADO By John D. Wells and Jack E. Harrison...ii 2. Map of part of north-central Clear Creek County, Colorado, showing radioactivity of localities... 4 3. Map of part of north-central Clear Creek County, Colorado, showing distribution of vein types....of 334 localities in north-central Clear Creek County, Colo., was made during the field seasons of 1951 |  | | Report (issue) | | Porphyry Copper Deposit and Surrounding Area, Lander County, Nevada GEOLOGICAL ) SURVEY PROFESSIONAL PAPER...Porphyry Copper Deposit and Surrounding Area, Lander County, Nevada By TED G. THEODORE and DAVID W. BLAKE ...Altered granodiorite of the Wilson-Independence mine area .............................................of specific sulfides from the ore body...... Chalcopyrite etch tests....................................Geologic map of the Copper Canyon area, Lander County, Nev. 2. Maps showing distribution patterns of |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | and mineral resources are summarized in various county reports for this part of Nevada (Ransome,1909;...the Late Permain to Triassic (Sonoma orogeny and Golconda thrust) (Roberts and others, 1958; Silberling...Havallah sequence makes up the upper plate of the Golconda allochthon, which crops out over a relatively...Mississippian basalt and basaltic andesite in the Golconda allochthon locally may host Cyprus-type VMS deposits...manganese deposits. The deformed rocks of the Golconda allochthon are, in turn, overlain unconformably |  | | Report (issue) | | Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: Stratigraphy, Physiography, and...3101 Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: Stratigraphy, Physiography...p. cm. (Geology of the Blue Mountains region of Oregon, Idaho, and Washington) (U.S. Geological Survey...resources of the Blue Mountains region in eastern Oregon, western Idaho, and southeastern Washington. This...Triassic to Lower Jurassic) from the Wallowa terrane, Oregon Michael F. Folio 2. The Mesozoic geologic evolution |  | | Journal (issue) | | index. This is organised hierarchically by country, county or state, then site name. To avoid the confusion...century boundary changes in the British Isles, the county boundaries defined by the Local Governmant Act...referred to as Glamorgan. The new counties and county boroughs brought in by the Lieutenancies Act of...Special issue on the minerals of Penberthy Croft Mine Published by Rock Bottom Publications Ltd. Nottingham...(2000) Famous mineral localities: Penberthy Croft mine, St. Hilary, Cornwall, England 20:7-37 Bevins, R |  | | Report (issue) | | Volume II: Flint Creek-South Mountain Area, Owyhee County, Idaho Earl H. Bennett, John Kauffman, and Victoria...Volume II: Flint Creek-South Mountain Area, Owyhee County, Idaho Earl H. Bennett, John Kauffman, and Victoria...MINES.. . . . . . . . . . . . . . . . 2 1.4.1 Acid Mine Drainage. . . . . . . . . . . . . . . . . . . .... . . 7 1.5.3.1 Soil, Rock, Stream Sediment, and Mine Waste Sampling Procedures. . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . 21 3.0 MINE DESCRIPTIONS. . . . . . . . . . . . . . . . . . |  | | Report (volume) | | Wallapai Mining District Cerbat Mountains Mohave County Arizona GEOLOGICAL SURVEY BULLETIN 978-E The...Wallapai Mining District Cerbat Mountains Mohave County Arizona By MCCLELLAND G. DINGS CONTRIBUTIONS TO..._____ Champion mine.__--_--___________-____-_____ ___----______-___ Emerald Isle mine.______________...Descriptions of mines and prospects Continued Golconda mine-_______________________________________________..._ Payroll mine._________________________________________________ Tennessee-Schuylkill mine._________ |  | Doebrich, Jeff L., Albino, G.V., Barker, C.E., Duffield, W.A., Dunn, V.C., Hanna, W.F., McFarlan, J.P., McGuire, D.J., Miller, M.S., Peters, S.G., Plouff, Donald, Raines, G.L., Sawatasky, D.L., Spanski, G.T. (1994) Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, Northwest Nevada and Northeast California. Open-File Report Vol. 1994 (94-712) US Geological Survey doi:10.3133/ofr94712 | Report (issue) | | Rock National Conservation Area), and the impact of mine dewatering on drainage basin groundwater resources...public lands from mineral entry, and the impact of mine dewatering on drainage basin groundwater resources...past decade has created concern about the impact of mine dewatering on groundwater resources in this region...project GIS data bases. 118C 120 122 42' I OREGON {______I_____ 40' 36 \ KILOMETERS Figure 1...1. Map of Great Basin showing state and county boundaries and location of Winnemucca-Surprise Resource |  | | Catalog/List | | calcite crystal. 93/151 Calcite and analcime with chalcopyrite. Croft Quarry, Croft, Leicestershire. Two generations...to 15mm with drusy pinkish analcime and micro chalcopyrite. 95/016 Analcime with calcite. Croft Quarry...crystals to 2mm. Goethite with calcite. Old Ham Mine, Forest of Dean, Gloucestershire. Black goethite... Collected 1980. Goethite with calcite. Old Ham Mine, Forest of Dean, Gloucestershire. Stalactitic brown...Quartz. 50' above bottom of Boundary Shaft, Minera Mine, nr. Wrexham, N. Wales. A group of colourless pyramidal |  | | Journal (issue) | | Newsletter $6.00 Fibrous Malachite from the Mindingi Mine Katanga, Democratic Republic of the Congo Tony Nikischer...Specimens of fibrous malachite from the Mindingi Mine in the Kambove District of Katanga began to appear...ten {I 0) years ago (see figure J ). Although the mine was first worked superficially in the 1930s for...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens...specimenand image. Nickel Laterite From the Tiebaghi Mine, New Caledonia Bob Werner werner@lcturbonet.com |  | | Report (issue) | | Talapoosa and Olinghouse districts and the Gooseberry mine. Northeast of Lovelock we pass through Roberts'...deposit hosted in Tertiary rhyolitic rocks. East of Golconda we enter the Getchell trend which Roberts interpreted...the bottom of ancient Lake Lahontan from here to Golconda. Lake Lahontan was an extensive middle to late...GOOSEBERRY mine is located about 9 miles to the south of this point. Production at the mine is from an... electrum and native silver. Sparse pyrite, chalcopyrite, sphalerite, and galena are also present. The |  | | Journal (issue) | | OREGON GEOLOGY published by the Oregon Department of Geology and Mineral Industries VOLUME 47. NUMBER...MONTH: ANNUAL SUMMARY, MINERAllNOUSTRY IN OREGON 1984 OREGON GEOLOGY (ISSN 0164·3304) VOLUME 47. NUMBER...NUMBER 4 APRIL 1985 Published monthly by the Oregon Department of Geology and Mineral Industries (Volumes...Johnson. . . . . . . . . . . . . . . . . . . . . .. Baker State Geologist. . . . . . . . . Deputy State Geologist...97201, phone (503) 229-5580. Baker Field Office: 1831 First Street, Baker 97814, phone (503) 523-3133 |  | | Report (volume) | | Oberlb Oklahoma........Prof. D. W. Ohern, Norman. Oregon............Prof. A. J. Collier, Eugene. Pennsylvania...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Journal (issue) | | $315/three years, (Canada) $180/one year, (outside USA other than Canada) $259 per year Subscription (individuals...level of the underground mine was refurbished to accommodate visitors, showing mine workings dating from...village of Almadenejos we find: The Vieja Concepción mine. Here it is possible to visit part of the historic...(dating from 1755 to 1757). The Nueva Concepción mine. The Baritel de San Carlos (San Carlos shaft house)... Also included is the Refugio shaft and various mine buildings. HISTORY AND MINING Archeological remains |  | | Report (issue) | | California and Nevada and northwestern Utah, but Oregon, Arizona, and New Mexico are known to contain one...paying quantities. Indeed, the scheelite in the Oregon and Arizona deposits was first found by Mr. Larsen...Morango district, Calif.; 5, Weldon, Calif.; Humboldt County, 6, Glendale, Calif.; 7, Darwin, Calif.; 8, Bishop...18, Lava Beds, Nev.; 19, Mill City, Nev.; 20, Golconda, Nev.; 21, showed scheelite and Euby Range, Nev...made to develop a deposit in Euby Valley, Elko County, Nev., and in the same month COFTACT-METAMORPHIC |  | Holley, Elizabeth A., Lowe, Justin A., Johnson, Craig A., Pribil, Michael J. (2019) Magmatic-Hydrothermal Gold Mineralization at the Lone Tree Mine, Battle Mountain District, Nevada. Economic Geology, 114 (5) 811-856 doi:10.5382/econgeo.4665 | Journal (article/letter/editorial) | | Magmatic-Hydrothermal Gold Mineralization at the Lone Tree Mine, Battle Mountain District, Nevada Elizabeth A. Holley...Battle Mountain mining district, Nevada. Prior to mine closure in 2006, Santa Fe Pacific Gold and Newmont...ore is located between the Roberts Mountain and Golconda thrusts in siliciclastic rocks of the Ordovician...Mountain and Edna Mountain Formations, and above the Golconda thrust in siliciclastic and carbonate rocks of...The Lone Tree gold deposit is located in Humboldt County, Nevada, approximately 55 km southeast of Winnemucca |  | | Report (volume) | | 23 Jefferson City zone 25 Porphyry deposits 25 Golconda area 25 Jackson Creek area 27 Turnley Ridge prospect...prospect 29 Breccia pipe deposits 30 Skyline mine 30 Blackjack mine 30 Chicago and Last Hope mines 31 Significance...the Elkhorn Wilderness Study Area 24 7. Map of Golconda area, Elkhorn Mountains 26 8. Ternary diagram...modal compositions of intrusive rocks from the 27 Golconda area 9. Map showing copper and molybdenum content...content of rock samples collected in 28 the Golconda area 10. Map showing geology and rock sample localities |  | | Report (issue) | | RESOURCES OF ALASKA, 1911. One small stream, Golconda Creek, a tributary of Bremner Eiver, has yielded...iraportantdiorite intrusions Slate and graywacke Copper mine Copper prospect Gold placer GEOLOGIC SKETCH MAP...as have been discovered. The success of the Cliff mine at Valdez sent many prospectors into the mountains...importance because of known placer gold deposits are Golconda Creek, Little Bremner River, and the lower, part...River above the Little Bremner. GOLCONDA CHEEK. GENEEAL FEATTIEES. Golconda Creek is tributary to the north |  | | Thesis/Dissertation | | 1990 Horizon Gold Shares, Inc. operated an open-pit mine and heap leach facility which produced 47,453 oz...autochthonous Antler Overlap sequence, and the Golconda allochthon. Cretaceous and Tertiary plutonic rocks...composing the Golconda allochthon. These rocks were emplaced above the Golconda thrust. The Golconda allochthon...Gilbert (1982), also occur in the Buffalo Valley mine area. Although these intrusive rocks are heavily...Peak Quadrangle and the 8 South pit at the Marigold mine yield K-Ar ages of 25.5±0.8 Ma and 22.9±0.7 Ma (McKee |  | | Catalog/List | | "'· f·,,or.-i ti.s cd: send a 1 ist of th,;'! mine"i",;• L, that price for ~ach piece There is no...(New Cornelia well covered~ Mine,Ajo,Pima greenish (Belstone light County blue coating on , Arizona...A) Cl92 ANDRADITE location. brown crystals on Mine near Okehampton Cl93 ARSENOPYRITE Arsenopyrite...micros and masses on (Ballycormick near Shanagolden, County U.K.journal of Mines and Minerals isssue lxl f3...location pieces, about a third covered (Bedford Consols Mine near Tavistock, Devon) B) for micros lx 1/2 ins |
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