 | | Report (issue) | | THE TRIASSIC TO JURASSIC MAGMATIC ARC OF WESTERN NEVADA AND EASTERN CALIFORNIA by Jeff L. Doebrich 1 ,...Open-File Report 96-9 Prepared in cooperation with the Nevada Bureau of Mines and Geology This report is preliminary...School of Mines, University of Nevada, Reno, Nevada 89557-0047 'Nevada Bureau of Mines and Geology, MS...MS 178, University of Nevada, Reno, Nevada 89557-0088 'U.S. Geological Survey, Retired, 8920 West 2nd........................................... Cu-Au Quartz-Tourmaline Veins ............................. |  | | Report (issue) | | URANIUM-BEARING MINERALS IN THE ST. KEVIN DISTRICT LAKE COUNTY, COLORADO This report concerns work done on behalf...Commission. UNITED STATES DEPARTMENT OF THE INTERIQR Douglas McKay, Secretary GEOLOGICAL SURVEY W. E. Wrather...URANIUM-BEARING MINERALS IN THE ST. KEVIN DISTRICT, LAKE COUNTY, COLORADO By C. T. Pierson and Q. D. Singewald...URANIUM-BEARING MINERALS IN THE ST. KEVIN DISTRICT, LAKE COUNTY, COLORADO By C. T. Pierson and Q. D. Singewald...districts........................................... Adit showing locality 117 . . . . . . . . . . . . . |  | | Report (issue) | | 20) ELKO COUNTY WHITE PINE COUNTY v-/ 7___________TOOELE COUNTY___. ~>Callao JUAB COUNTY ^Trout Creek...Creek \ jyAB_COUNTY_____ MILLARD COUNTY EXPLANATION Interstate highway U.S. highway Paved road Unpaved...resource is in fracture-controlled gold-bearing quartz veins in quartzite. The indicated resource has...Utah, in Juab and Tooele Counties, near the Utah-Nevada State line (fig. 1). It is about 90 mi (miles)...Samples were analyzed by Chemex Labs, Inc. in Sparks, Nevada. Gold was determined by fire assay; mercury by |  | 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 (volume) | | WEST-CENTRAL ARIZONA AND PART OF SAN BERNARDINO COUNTY, CALIFORNIA DEPARTMENT OF THE INTERIOR MANUEL...west-central Arizona and part of San Bernardino County, California ; en. E) (U.S. Geological Survey bulletin...minerals; and for tungsten, rare-earth elements, quartz, and feldspar in pegmatites. The mineral resource...which were intruded by Early to Middle Proterozoic quartz monzonite to granite plutons. These crystalline...extensive uranium exploration. Gold occurs with quartz and calcite along shear and fault zones at the |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Lavra Berilo Branco, the original "Sapucaia" rose quartz occurrence, Minas Gerais, B ra zil...............by J. A. Mandarino COVER: ROSE QUARTZ on pale smoky/citrine quartz, the specimen known as "the Van Allen...(representing the first major discovery of rose quartz crystals) actually came from the Berilo Branco...$10 v.8/#6 California Issue Benitoite, Gold L.A. County Museum, Himalaya mine $10 v.9/#3 Kalahari rhodochrosite |  | | Report (issue) | | tailings. Figure 7. Minor element signature of quartz veins plotted by mining district. 96 Open circles...general categories: Archean gneiss, iron formation, quartz vein, skarn, stream sediment, ultramafic rocks...Sample sites Archean gneiss A Iron formation + Other Quartz vein ft Skam O Stream sediment D Ultramafic rock...sec. 2, T.9S., R.7W. southern Ruby Range copper Quartz vein with chalcopyrite in prospect; NEVi of SE%...45° 03' 24" Bull quartz lens from schistose banded iron formation. Lenses of bull quartz pinch and swell |  | | Report (volume) | | Geology of the Thomas Range Fluorspar District Juab County, Utah GEOLOGICAL SURVEY BULLETIN This report... Geology of the Thomas Range Fluorspar District Juab County, Utah By M. H. STAATZ and F. W. OSTERWALD GEOLOGICAL...1918Geology of the Thomas Range fluorspar district, Juab County, Utah, by M. H. Staatz and F. W. Osterwald. Washington..._________________________________________________ Unnamed adit____________-__-__.__________-____-_----_-_-_Deposits...Lucky Louie pipe-____________________.-11. Map of adit southeast of Thursday prospect________________ |  | | Report (volume) | | the Mt. Millers Wilderness Study Area, Garfield County, Utah U.S. GEOLOGICAL SURVEY BULLETIN 1751-C ...the Mt. Millers Wilderness Study Area, Garfield County, Utah By RUSSELL F. DUBIEL, CALVIN S. BROMFIELD...the Mt. Millers Wilderness Study Area, Garfield County, Utah. (Mineral resources of wilderness study areas...Killers (UT-050-249) Wilderness Study Area, Garfield County, Utah. CONTENTS Summary Cl Abstract Cl Character...the Mt. Millers Wilderness Study Area, Garfield County, Utah By Russell F. Dubiel, Calvin S. Bromfield |  | Gualtieri, James Louis, Simmons, G.C., Thurber, H.K., Miller, M.S., with a section on Aeromagnetic interpretation Davis, W. E. (1973) Mineral resources of the Alpine Lakes study area, Chelan, King, and Kittitas Counties, Washington. Open-File Report Vol. 1973 (73-93) US Geological Survey doi:10.3133/ofr7393 | Report (issue) | | Claim No. 5 adits Snow workings and Cabin adit Lake adit Lower adit Elsner adits Pass workings North Lake...Creek-Solomon Creek area Van Epps adit Pickwick shaft Meadow adit Van Epps No. 3 workings Ellen workings...Snow workings and Cabin adit Map of Lake adit area Map of part of Lower adit workings North Area workings...Creek-Solomon Creek area Van Epps adit and Pickwick shaft Meadow adit Ellen workings Prospects in the Fortune...and examination of mines, prospects, and claims. County records show that about 435 lode and placer claims |  | | Report (issue) | | VOLUME I: SILVER CITYWAR EAGLE MOUNTAIN AREA, OWYHEE COUNTY, IDAHO JOHN KAUFFMAN, EARL H. BENNETT, and VICTORIA...VOLUME I: SILVER CITYWAR EAGLE MOUNTAIN AREA, OWYHEE COUNTY, IDAHO JOHN KAUFFMAN, EARL H. BENNETT, and VICTORIA... . . . . . . . . . . . . . . . . . . . 27 3.2 UNNAMED PROSPECT (Site No. K7199901). . . . . . . . . ... . . . . . . . . . . . . . . . . . . . 39 3.4 UNNAMED PROSPECT (Site No. B7259901). . . . . . . . . ... . . . . . . . . . . . . . . . . . . . 44 3.5 UNNAMED PROSPECT (Site No. B7259902). . . . . . . . . |  | | Book (volume) | | Sth Level, west of Victory Shaft. The chlorite-quartz -filled fissure at the centre is bordered by tin...190 - fm . Level the lode is composed of white quartz with strings of tourmaline- chlorite peach , and...SOUTH CROFTY MINE: 317 HORIZONTAL QUARTZ VEINS . Horizontal quartz veins occur here in granite country...east of the 310 - fm . crosscut, consists of a quartz -peach leader (exposed in roof and breast of the...the drive). The view shows also horizontal quartz veins in adjacent country. (A.8106) PLATE VI. 325 |  | | Book (volume) | | Fto. 28.-Mount Wellington Mine; Wellington Lode at Adit Level . . 427 F10. 29.-Transverse section through...5th Level, west .of Victory Shaft. The chlorite-quartz-filled fissure at the centre is bordered by tin-impregnated...the 190-frn. Level the lode is composed of white quartz with strings of tourmaline-chlorite peach, and...A.- SOUTH CROFTY MINE: HORIZONTAL QUARTZ VEINS. Horizontal quartz veins occur here in granite country...Lode, east of the 310-fm. crosscut, consists of a quartz-peach leader (exposed in roof and breast of the |  | | Report (issue) | | Sweetwater Canyon Wilderness Study Area, Fremont County, Wyoming U.S. GEOLOGICAL SURVEY BULLETIN 1757-D...Sweetwater Canyon Wilderness Study Area, Fremont County, Wyoming By WARREN C. DAY, RANDALL H. HILL, and...Sweetwater Canyon Wilderness Study Area, Fremont County, Wyoming. (Mineral resources of wilderness study...Canyon Wilderness Study Area (WY-030-101), Fremont County, Wyoming. CONTENTS Abstract Dl Summary Dl Introduction...Sweetwater Canyon Wilderness Study Area, Fremont County, Wyoming By Warren C. Day, Randall H. Hill, and |  | | Report (issue) | | Criteria for tract IX HI. Summary log of Amoco 1 USA, Carbon County, Montana Jl. Summary of results of probabilistic...boundaries of the Absaroka-Beartooth study area. County boundaries and the location of towns within or...YELLOWSTONE NATIONAL \ PARK Abuarokee STILLWATER COUNTY - \_. v 110-00' New Gooae \ Lake Horseshoe... and the Boulder River (fig. A4). Gold-bearing quartz veins were discovered in 1870 in the southwestern...active exploration projects within the ABSA. In Park County, American Copper and Nickel Corporation/Jardine |  | | Report (issue) | | west of Prince William Sound, the gold-bearing quartz veins are oriented perpendicular to the regional...small angle to the structural fabric. Most gold-quartz veins are found within the Valdez Group, but a...formation of the gold-quartz veins. There are numerous examples where gold-bearing quartz veins cut intrusions...there are no instances where intrusions cut gold-quartz veins. Therefore, the veins appear to post-date...the development and discovery of the gold-bearing quartz veins in southern Alaska in the early 1900's. Four |  | | Report (volume) | | Lemah Creeks and the Middle Fork Snoqualmie River. County records show that about 1,900 lode and placer claims...Three Brothers zone of mineralized granodiorite and quartz monzonite may contain as much as 2 million tons...contact. Low-grade mineralized rock in the VanEpps adit and in another zone explored by drilling may represent...average of samples taken 242 ft (7 4 m) along the adit was 0.33 percent copper. Mineralized rock containing...of drill hole about 3,500 ft (1,067 m) from the adit. The zones are not evident on the surface. The Mineral |  | | Book (volume) | | 28.-Mount Wellington Mine; \Vellington Lode at Adit Level .. . . . . . . . .. 427 F10. 29.-Transverse...above 5thLevel, west of VictoryShaft. The chlorite-quartz-filledfissure at the centre is bordered by tin-impregnatedgranite...the 190-fm.Level the lode is composed of white quartz with strings of tourmaline-chloritepeach, and a...317 A.-SOUTHCROfTY MINE: HORIZONTAL QUARTZ VEIN$. Horizontal quartz veins occur here in granite country...Lode, east of the 310-fm. crosscut, consists of a quartz-peachleader (exposed in roof and breast of the |  | | Report (issue) | | Raglan Marls; St. Maughan's Group; Brownstones; Quartz Conglomerate; Tintern Sandstone Group. .." 12...field of the Forest of Dean. This area lies in the county of Gloucestershire on Sheets 35 > 43 S. W. and... ... ... . .. ... quartz conglomerate ... Quartz Conglomerate : pebbles of quartz and quartzite set in...Upper Old Red Sandstone :Tintem Sandstone Group Quartz Conglomerate ... Lower Old Red Sandstone :Brownstones...are softer beds which contain sparsely scattered quartz pebbles. They weather under suitable conditions |  | | Report (volume) | | along the foliation in phyllite; or gold-bearing quartz veins in shaly limestone, limy slate, or phyllite...deposit in the area consisted of the goldbearing quartz veins in shaly limestone of the now-mined-out Sumdum...mines and prospects near Windham Bay occur along quartz stringers in broad altered zones, and all appear...relief, the maximum in the area is between the unnamed 2,470-m (8,100-ft) peak rising from the South Sawyer...separate tidewater at Sawyer Glacier terminus from an unnamed peak with a elevation of about 2,150 m (about 7 |  | | Journal (issue) | | T h e N atural History M useum of Los A ngeles County 487 b y P e te r C K e lle r a n d A n th o n y...O ft ovnas 2>. T a L c r Clay C enter, Ottawa County, Ohi o. n a m e P \d )rQ tn Q h fih i £ < ?...the highest awards of his profession. Charles Douglas Woodhouse (woodhouseite), 1888-1975, began his...photographs of such geological provinces as the Sierra Nevada and the Great Basin (with its dry lakes and Death...Death Valley, to the east of Searles Lake, in Inyo County, has very similar climatic conditions: hot and |  | Madden, D.J., Arbogast, B.F., O'Leary, R. M., VanTrump, George, Silberman, M.L. (1988) Analytical results, statistical analyses, and sample-locality maps of rocks from the Anchorage Quadrangle, southern Alaska. Open-File Report Vol. 1988 (88-240) US Geological Survey doi:10.3133/ofr88240 | Report (issue) | | 1979). The Peninsular terrane is bounded by an unnamed but very distinctive shear zone to the north in...in the quadrangle. Gold has been produced from quartz veins and placer deposits. The two main lode...the Nelchina Glacier; and (3) mesothermal gold-quartz veins in the Willow Creek gold-mining district...telluride minerals (nagyagite) in veins of banded quartz and in gouge zones of sheared, silicified, and...and argillically altered diorite, clay, and quartz-vein fragments (Ray, 1954; Dorff, 1984). Little is known |
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