 | | Report (volume) | | Deposits Of the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER...and section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults...faults (veins) of the Lawson-DumontFall River district projected to a horizontal plane having an elevation... CONTENTS PLATE 3. Map of the Lawson-Dumont-Fall River district, showing location of mines and distribution...and galenasphalerite veins in the Lawson-Dumont-Fall River district and adjacent areas. FIGURE 1. Index |  | | Report (issue) | | PROSPECTS, LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank...Production References cited Mine descriptions « Lawson area, north of Clear Creek Larger mines in the Red...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) | | Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher...Iron mine, by A. A. Drake, Jr ___________ _ Jefferson-Calhoun vein _________________ _ Kirk mine ____..._______ _ Old Town mine, by A. A. Drake, Jr ______ _ Springdale (Gold Rock) mine, by A. A. Drake, J r...r ________________________ ---Telegraph mine ________________________ _ Wood vein ____________________________ |  | | Report (issue) | | PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL.1 INTRODUCTION...the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder counties, Colo.,...Mountains. It is the oldest lode-mining region in Colorado, and its discovery in 1859 was the occasion of...productive portions of Gilpin County and small adjacent parts of Boulder and Clear Creek counties, all within...Gilpin County, Central City, Blackhawk, Nevadaville, Eussell Gulch, Perigo, and Apex; in Clear Creek County |  | | Journal (issue) | | Articles Native gold from the Jamestown mine, Tuolumne County, California...............................Adularia from the Howard-Montgomery quarry, Howard County, Maryland .......................................collectors interested in visiting the Blanchard mine or other mines in the Hansonburg mining district...signed in at Bingham for entry to the Blanchard mine area for surface collecting. Underground collecting...strictly prohibited due to the hazardous nature of the mine workings, and visitors are required to acknowledge |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Renato Pagano Milan...COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County, Michigan—considered by some to be the world’s...fine minerals on DVD wilensky Fluorite, Huanzala mine, Dos de Mayo Province, Peru. Wilensky Fine Minerals...Minerals from the Mammoth-St. Anthony mine, Tiger, Pinal County, Arizona Chapter authors: Les Presmyk |  | | Report (volume) | | Geology of Uranium Deposits in the Front Range, Colorado By P. K. SIMS and D. M. SHERIDAN With sections...mines_______________________________________ Boulder CountY----------------------------------~-----------Jamestown...Generalfeatures--------------------------------------Blue Jay mine, by R. U. King__________________________ Fair Day...mine________________________________________ Nations Treasure mine, by R. U. King___________________ Victory group...Description of principal mines-Continued Boulder County-Continued Other areas __________________________ |  | | Journal (article/letter/editorial) | | across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side...LEVYNE, PHILLIPSITE, and THOMSONITE. Adams County Alaska mine, Seven Devils district: azurite, grossular...grossular, malachite, powellite, and scheelite. Arkansas mine, Seven Devils district: grossular. Blue Jacket claim...and stilbite. Copper Bo~' mine, Seven Devils district: epidote. Helena mine (reportedly just northwest |  | | Journal (article/letter/editorial) | | Virginia, and by Gross(1956) in the Blyklippen mine, Greenland, beingparticularlyinfluentialpioneeringstudies...AND U. PETERSEN OH-Amethystveinsystem,Creede,Colorado(Barton et al., 1977), andin the HYC deposit,Australia(Williams...discussionof their applicationto mineralexplorationand mine developmentin the district.The remarkableinflectionsof...for Ag, AgBiS• for Bi, and natural cinnabarfrom Almaden, Spain,for Hg. SyntheticAg•SbS•and Ag3AsS•were...Membersof the pyrostilpand of antimonpearceite-pearceite, (Aglo+yCu6-y)-the paragenetic (Sb,As)2S•with |  | | Report (volume) | | ............................................. Colorado.................................................especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. 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; |  | | Book (edition) | | MESOTHERMAL DEPOSITS 317 Coeur d’Alene, Idaho 319 Magma Mine, Arizona 325 Chuquicamata, Chile 333 14 EPITHERMAL...EPITHERMAL DEPOSITS 344 Chinese Antimony Deposits 346 Almaden, Spain 349 Pachuca-Real del Monte District, Mexico...Mexico 15 TELETHERMAL DEPOSITS 354 362 Colorado Plateau Uranium-Vanadium Deposits Upper Silesia Zinc-Lead...Besides, what we are pleased to call the riches of a mine, are riches relatively to a distinction which nature...also advocated by Joseph Brunner (1801), a Bavarian mine official. Scipione Breislak (1811) an Italian geologist |  | | Journal (article/letter/editorial) | | Several lines (representing as many minerals) may fall within the limits of experimental error or within...natural minerals cannot be identified in quite such a clear-cut manner as pure chemical substances,even by powder...r20 .1 +Cu-Ni 3. Alabandite, MnS. Summit Co, Colorado. M-3 dIOdIod | 3.0 2.83 2.61 .3 .3 7. 0 2...CuoAs. (See No. 163) *Cu-Ni 5. Altaite, PbTe. Burney Mine, Sonora, California. M-6 o z 1 3.2 2.27 1.93....3 1.385 .3 *Cu-Ni 7. Antimony, Sb.Near White River, California.H-87942 drodlodl I J 2 3.07 2.23 2 |  | | Report (issue) | | (Cu/Ni)—artificial; same pattern given by gold from the Klondike River, Yukon Cell edge by Owen & Yates (Phil. Mag., 15...= 4.080; Z = 4 2496Q (Cu/Ni)—East Gold mine, Bowser River district, Portland Canal area, B.C. Composition...silver Cell Studies, the same (a) 0, 0, S Z = mine, Coantimony). edge by Peacock (Univ. Toronto Geol...(Cu/Ni)—Calumet mine, Michigan; same pattern given by copper filings and material from Tamarak mine, Michigan...Cubic, On°-Fm3m; a = 3.872; 1333 (Cu/Ni)—Sheep Creek, district, Yukon (ferrian platinum) Z = 4 Kluane |  | | Journal (issue) | | VANCOUVER, WASHINGTON 9:30 am to 6:30 pm Clark County P. U. D. Building 1200 }'ort Vancouver Way Vanc-ouver...informally by a pay-your-own dinner at the Old County Buffet by those who wish to attend. Any one wanting...fluorescence. Are photos?" "Recent work at the Rogerly Mine. Weardale, England" .lec,sc Fisher ''The gem and...Ream "Fluorescent minerals from the Purple Passion Mine and the Hogan Claim" Sharleen Hmvey Join us at the...Along the Oak Gron· Fork of the Clackamas River. Clackamas County, Oregon Bill Tompkins There are several |  | | Book | | copper are in the Keweenaw Peninsular. Lake Superior, USA, the largest being 15 x 7 x 3m (approx. 50 x 23 x...(5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law twins up to...Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica...found in many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold...in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets of crystallized |  | | Book | | 2) - idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Dud'a and Lubos Rejl Revision of...loop of platinum wire or a magnesium rod until a clear glassy bead is formed. The hot borax bead is touched...trenches, natural exposures in mountain areas, rocky river and brook beds, rockbound lake and sea coasts, caves...and arable land. Minerals can be acquired from river beds by washing, and from coast sands by digging...in sedimentary deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum |  | | Book | | copper are in the Keweenaw Peninsular, Lake Superior, USA, the largest being I 5 x 7 x 3m (approx. 50 x 23...140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law twins up to...Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...come from Farncomb Hill near Breckenridge, Colorado, USA. Fine crystals were also found in Berezovsk |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...replacements. At the moment, however, it is not clear whether during any of these re-equilibrations water...yellow, brown, red, green orange brown light green clear to milky bright yellowish orangered to brown few...light brownish grey to dark grey dark grey; 14 clear to milky dark grey; 14 strong medium grey; 13...not always distinct few, brown strong blue weak clear to milky orange, yellow bluegreen dark grey; 8 | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and... 2) — idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Duda and Luboé Rej Revision of the...loop of platinum wire or a magnesium rod until a clear glassy bead is formed. The hot borax bead is touched...trenches, natural exposures in mountain areas, rocky river and brook beds, rockbound lake and sea coasts, caves...and arable land. Minerals can be acquired from river beds by washing, and from coast sands by digging |  | | Book (edition) | | —Interpretation sulpliide waters — Chloride water analyses Mine waters waters— Sulphate waters Oxidation of waters—“Carbonate...veins in basic lavas General features The Kennecott mine, Alaska— ( ’opper sulphide veins in intrusive basic...3dv Paoii — tise-^Th^ Adriatic regic>ji‘*-*Almaden*~->Califomia ‘Other di»trict8‘*-“G«iiesifi —-Eeiation...Argentite veins — Gold veins—Occurrence veins—Cripple Creek— Gold veins— The San Juan Republic, Washington —...— Sumatra— The — Telluride — Silvcrton Colorado— General Arizona —Gold-quartz veins rhyolite in |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |  | | Journal (issue) | | Seelite, a new uranium mineral from the Talmessi mine, Iran, and Rabejac, France .......................Hgl+Cr6+Q4 S2 , a new mineral from the Clear Creek claim, San Benito County, California ............. 471 by...emphasis or clarity, and (d) proper names, e.g., mine levels. 8. Credits. Caption data for specimen photos...that it intends to move forward with a project to mine 170 million tons of the outlined ore (Bisbee Daily...found in boulders of cuprite fron1 the Southwest mine, as well as identifying or confirming the identity |  | | Book (edition) | | rocks — Acid sulphate waters in igneous rocks — Mine waters of sulphate type —Sodium carbonate waters...amygdaloids The veins Mineral association Origin Mine waters Rock alteration Mining and smelting operations...of kaolin — Metasomatic processes at Silverton, Colorado — Summan —Quicksilver deposits — The ores and...Comstock lode — Argentite veins — Gold veins — Cripple Creek — Gold selenide veins — Occurrence selenides — Republic...Sumatra — The base-metal veins — The San Juan Colorado — General features — Telluride —Silverton Ouray |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin. (peninsula)...oil shales of tl~e Acanthite Green River Fonnation in Uintah County. Utah. and m (2.B. acanthite group) |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...them a call at 972-540-6999 and order your copy. COLORADO FOSSIL EXPO Denver Merchandise Mart • Mart Plaza...Martin Zinn Expositions • P.O. Box 999 • Evergreen, Colorado 80437-0999 • Fax (303) 674-2384 162 The M ineralogical...diameter in vugs within the quartz matrix. Morass Creek Gorge, Australia Birch et al. (1995) report that...a skam on the western side of a gorge on Morass Creek, north of Benambra, Victoria, Australia. The namibite |
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