 | | 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...target area of 160 hectares (fig. 8). Depth of mining in known deposits range from 31 to 915 m. The geometric...reported, or, in the case of zinc, possibly avoided in mining. Descriptions are commonly incomplete. Nearly all...veins have been a favored target for smallscale mining and can occur in large numbers scattered over a |  | | Report (volume) | | RELATED TO WILDERNESS WILDERNESS AREAS f EAGLE CAP, OREGON GEOLOGICAL SURVEY BULLETIN 1385 -E MINERAL...OF THE EAGLE CAP WILDERNESS AND ADJACENT AREAS, OREGON View north from the crest of Eagle Cap, July...of the Eagle Cap Wilderness and Adjacent Areas, Oregon By PAUL L. WEIS, J. L. GUALTIERI, and WILLIAM F...the Eagle Cap Wilderness Area and adjacent areas, Oregon (Studies related to wilderness wilderness areas)...Bibliography: p. 84-86. 1. Mines and mineral resources Oregon-Eagle Cap Wilderness. I. Weis, Paul Lester, 1922II |  | | 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 (article/letter/editorial) | | 150,000 tons of ore. Magnet Iron Co., will do the mining and plans to produce a minimum of 500 tons of concentrates...378 is undoubtedly the Hahns Peak area in Routt County, northern Colorado. It is not usually especially...feet in elevation. "This was once a placer gold mining region. Some rich gold-silver-copper-lead ores...success. He has cabochons of moonstone from Stephens County, which are unusually good ; also, rutilated rose...near the new waterworks dam at Mountain Ciy, Rabun County, Ga. He has a yellow cabochon of unusual beauty |  | | Report (issue) | | Revised Age Relations of Rocks in the Cornucopia Mining District Elko County, Nevada Economic Significance...Age Relations of Rocks in the Cornucopia Mining District El ko County, Nevada By R. R. Coats GEOLOGICAL...Index map of Elko County, Nev., showing location of the Cornucopia mining district ----------2. Geologic...Geologic sketch map of the Cornucopia mining district -------------------------------------III 1 2 ECONOMIC...AGE RELATIONS OF ROCKS IN THE CORNUCOPIA MINING DISTRICT, ELKO COUNTY, NEVADA By R. R. Abstraci weight |  | | Journal (issue) | | Falster1 Luizhelio Barreto da Silva Nen2 Wm. B. Simmons 1,and Karen L. Webber 1 1Department of Geology...Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite...of line tungstenite (Figs. 1-2), unusual small pyrite crystals (Figs. 3-6), and other minerals. Mina...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 • 3 E-mail: lream@comtch.iea...Brejui. Fig. 2 Scanning electron micrograph of pyrite cluster from Mina Brejui, with {100} as dominant |  | | Report (issue) | | ........................................... 15 Baker Terrane...........................................vicinity..................................... 4 A4. Mining districts in Payette National Forest and vicinity...(1975) Skurla (1974) Mann (unpub. mapping, 1991) OREGON Figure A2. 44°30' 45° 117° 45°30' 116° Cater...terrane (Triassic to Permian) Fore-arc basin rocks of Baker terrane (Mesozoic to Paleozoic) Metamorphosed island-arc...Formation (banded siltite unit) of the Blackbird mining district (Tysdal, 2000; Tysdal and others, 2000). Metaplutonic |  | | Journal (article/letter/editorial) | | Photographs January/February: Galena, Tri-State district, Kansas. Smithsonian Institution specimen; Chip...photo. March/April: Quartz, Middleville, Herkimer County, New York. John C. Medici specimen and photo. May/June:...May/June: Turgite, Graves Mountain, Lincoln County, Georgia. Ronald E. Bentley specimen and photo. July/August:...Quartz, H. deLinde No. 4 mine, High Peak, Montgomery County, Arkansas. Private collection; Ronald E. Bentley...Bentley photo. September/October: Barite, Otero County, Colorado. Dan and Dianne Kile specimen; John Muntyan |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...tens of thousands of years (Simmons and Brown 2006; Rowland and Simmons 2012), the volcanic and/or sedimentary...piezometric surface (Fournier 1983; Henley 1985; Simmons 2002). The distance between paleosurfaces and paleogroundwater...Hedenquist et al. 2000; Hochstein and Browne 2000; Simmons et al. 2005; Fig. 1). In general, volcanic-hydrothermal...Hedenquist and Arribas 1999; Hochstein and Browne 2000; Simmons et al. 2005). a Volcanic-hydrothermal system above |  | | Journal (article/letter/editorial) | | $6.00 White and Hedenquist, 1990; Cooke and Simmons, 2000; Hedenquist et al., 2000). These deposit...1974; Hedenquist and Lowenstern, 1994; Simmons, 1995; Cooke and Simmons, 2000). John (1999, 2000) and John...Cas Ro ck y M ou nt ain s High Idaho Oregon r SM e ak Sn lain P M ve Ri Yellowstone Hot...Group (CRB) shown by vee pattern; feeder dikes in Oregon and Washington indicated by heavy lines. East-west...in the Atlanta, Fairview, Tuscarora, and Wonder mining districts that are hosted by late Eocene to early |  | Roberts, Ralph J., Radtke, Arthur S., Coats, R. R., Silberman, Miles L., McKee, Edwin H. (1971) Gold-bearing deposits in north-central Nevada and southwestern Idaho; with a section on periods of plutonism in north-central Nevada. Economic Geology, 66 (1) 14-33 doi:10.2113/gsecongeo.66.1.14 | Journal (article/letter/editorial) | | one district, Battle Mountain (Copper Canyonand CopperBasin), where calc-hornfelscontaining pyrite, chalcopyrite...tetrahedrite, galena, sphalerite,and pyrite; low-temperature veins by pyrite and galena and by stibnite-quartz...sphalerite;argentite-quartz-adularia veins characterizedby pyrite, gold or electrum,argentite, naumannite,and lesser...Deposits associatedwith volcanic rocks C. Pre-late Mining Districts 1. Disaster 2. National 3. Gold Basin...12. ParadiseValley ß-'.-'• 13. Lime Mtn 14. Cornucopia 016 O17 o,,Getchel '@;! 17. Awakening 18 |  | | Journal (article/letter/editorial) | | Southwest orebody, White Pine mine, Ontonagon County, Michigan. Lance Hampel specimen, Jeff Scovil photo...July/August: Sphalerite with pyrite and calcite, Portland mine, Ouray County, Colorado. Barbara Muntyan...photo. Novemberficember: Gold, Ten Mile district, Humboldt County, Nevada. Coogan Gold specimen, Jeff Scovil...Buchholz, T., Minerals of a Wausau Pegmatite, Marathon County, Wisconsin, 254-58; see Ibenty-Fifth Rochester...Quarry (Valentine Deposit), Town of Diana, Lewis County, New York, 236-49 Charles, M. A., see 'henty-Fifth |  | | Journal (article/letter/editorial) | | Low-Sulfidation Epithermal Environments STUART F. SIMMONS† AND PATRICK R. L. BROWNE Geothermal Institute...feldspar (adularia), albite, chlorite, calcite, and pyrite are the main hydrothermal minerals that occur in...dominating at >200°C); the abundance of chlorite, pyrite, and calcite varies here, but albite is absent...well. By contrast, calcite, quartz, K mica, and pyrite deposit from a chloride water that cools due to...then, two papers have been published 971 972 SIMMONS AND BROWNE that substantially extend our knowledge |  | | Journal (issue) | | Jeff Self Michael Shannon Robert Sielecki Philip Simmons George Stacey Christopher Stefano John Sulzbach...pocket in 1955 at least 25 others were found as mining progressed. The contents of these, which ranged...Colorado, and their most publicized effort, the mining of variscite nodules at Fairfield, Utah (the type...so Frank was quite familiar with techniques for mining it. After a careful examination of the quarry,...(Szenics, 1967) Spruce Peak, King County, Washington, 1977 Beautiful pyrite and quartz specimens are Washington |  | | Journal (article/letter/editorial) | | (locally green Cr muscovite), and locally abundant pyrite. Topaz, lazulite, and other rare minerals occur...United States is at Willis Mountain in Buckingham County (Fig. 1). Jonas (1932) provided an early report...for the economic deposits at Willis Mountain and Baker Mountain, Virginia. A number of these deposits occur...visibility. Abbreviations: BRR = Blue Rock Road, BM = Baker Mountain, ER = East Ridge, LM = Leigh Mountain,...conglomerate, quartzite, slate, and schist. Occurrences at Baker Mountain (BM), Madisonville (MV), and Blue Rock |  | Gemmell, J. Bruce, Simmons, Stuart F., Zantop, Half (1988) The Santo Nino silver-lead-zinc vein, Fresnillo District, Zacatecas, Mexico; Part I, Structure, vein stratigraphy, and mineralogy. Economic Geology, 83 (8) 1597-1618 doi:10.2113/gsecongeo.83.8.1597 | Journal (article/letter/editorial) | | The Santo Nifio Silver-Lead-Zinc Vein, Fresnillo District, Zacatecas, Mexico: Part I. Structure, Vein Stratigraphy...DartmouthCollege,Hanover,New Hampshire03755 STUARTF. SIMMONS,** Department of Geology andGeophysics, University...phases:(1) pyriteandarsenopyrite, (2) basemetal sulfides,pyrite, and arsenopyrite, (3) Ag-bearingsulfosalts andsulfides...0361-0128/88/870/1597-22 $2.50 15 9 7 1598 GEMMELL,SIMMONS,AND ZANTOP Introduction (1988), and Garciaet al...the Fresnillo district. Locationswherecarefulgeologicandgeochemical THE Fresnillo district, located 750 |  | | Journal (article/letter/editorial) | | left). Calcite, 5.5 cm high, Elmwood mine, Smith County. Terry Huizing specimen, Jeff Scovil photo. Figure...(above). Fluorite, 13.1 cm wide, Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo....Smith County. Terry Huizing specimen and photo. Figure 4 (right). Cumberland mine, Smith County. Travis... minerals, and mineral resources of the state. Mining has been an important part of Tennessee industry...not seem to filter down to the collector. Major mining districts that are mineralogically simple occur |  | Tharalson, Erik, Monecke, Thomas, Reynolds, T., Zeeck, Lauren, Pfaff, Katharina, Kelly, Nigel (2019) The Distribution of Precious Metals in High-Grade Banded Quartz Veins from Low-Sulfidation Epithermal Deposits: Constraints from µXRF Mapping. Minerals, 9 (12) 740 doi:10.3390/min9120740 | Journal (article/letter/editorial) | | of Mines, 1516 Illinois Street, Golden, CO 80401, USA; tmonecke@mines.edu (T.M.); lzeeck@mines.edu (L.Z...80202, USA; fluidinc@comcast.net Bruker Nano Analytics, 415 N Quay Street, Kennewick, WA 99336, USA; Nigel...deposit in Japan. The Hokuryu deposit in the Omu mining camp of Hokkaido in Japan represents a small low-sulfidation...low-sulfidation epithermal deposit, located in Elko County in Nevada, is the largest known Au–Ag epithermal...stromeyerite, chalcopyrite, galena, marcasite, pyrite, and sphalerite. Additional selenides recognized |  | Thompson, J. F. H., Sillitoe, R. H., Baker, T., Lang, J. R., Mortensen, J. K. (1999) Intrusion-related gold deposits associated with tungsten-tin provinces. Mineralium Deposita, 34 (4) 323-334 doi:10.1007/s001260050207 | Journal (article/letter/editorial) | | ARTICLE J. F. H. Thompson á R. H. Sillitoe á T. Baker J. R. Lang á J. K. Mortensen Intrusion-related...Hill Park, Highgate Village, London N6 6ND, UK T. Baker á J.R. Lang á J.K. Mortensen Mineral Deposit Research...with low total sulphide contents (<3%), mainly pyrite and lesser arsenopyrite. In several deposits, bismuth...Sn Ag, As, Sb, Sn, Bi, Cu, Zn, Pb, W Simmons et al. (1996) Baker and Tullemans (1990) Long et al. (1992)...Granodiorite 0.83 1.5 158 66 Fort Knox Alaska, USA Mokrsko, Czech Republic Salave, Spain Mica-quartz |  | | Journal (article/letter/editorial) | | crystals, Bachelor mine, Amethyst vein system, Mineral County, Colorado; Dave Bunk specimen, Jesse La Plante...Nevada, 515 Annabergite, Kilometer 3 Mine, Laurium District, Greece, R. B. Cook, 154–59 Apatite, nomenclature...Mistaken Identities, A. L. Guth, 456–58 Arizona Mining and Mineral Museum, 280 Arkansas, wavellite, 346–50...Uvite with Overgrown Dravite, Bigelow, St. Lawrence County, New York, 250–59; Gemstone Deposits in Turkey...William Metropolis Fine Minerals Crystal Springs Mining Company Samora Minerals/Mexican Amber Judy and |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily...oil resources of the Santa Maria oil district, Santa Barbara County, Cal., by Ralph Arnold and Robert Anderson...Jordan,.jr. 338. The iron ores of the Iron Springs district, southern Utah, by C. K. Leith and E. C. Harder...Phalen. 350. Geology of the Rangely oil district, Rio Blanco County, Colo., with a section on the water supply...Hess. 357. Preliminary report on the Coalinga oil district, Fresno and Kings counties, Cal., by Ralph Arnold |  | | Journal (issue) | | Vol. ll,No. 8 THE ORE.-BIN 53 Portland, Oregon STATE DEPARTMEN,T OF GEOLOGY AND MINERAL INDUSTRIES...Head Off~oe: 702 Woodlark Building, Portland 5, Oregon State Governing, Board, Starf N1al R. All,en, Cna.... Pa88 Hollis K. Dole Geologist He E. Hendrylt Baker Assayer & Chemist L. L. Hoagland Mason L. Bi.ng~am...Portland-, , Ceramist C. W. F. Jaoobs Ralph S. Mason Mining Engineer Speotrosoopist T. Co Matthews Geologist..."Hit St!'eet, Grants Pass 20,3,3 First Street, Baker N. S. Wagner, Field Geologist Harold D. Wolfe, Field |  | Deditius, Artur P., Utsunomiya, Satoshi, Renock, Devon, Ewing, Rodney C., Ramana, Chintalapalle V., Becker, Udo, Kesler, Stephen E. (2008) A proposed new type of arsenian pyrite: Composition, nanostructure and geological significance. Geochimica et Cosmochimica Acta, 72 (12) 2919-2933 doi:10.1016/j.gca.2008.03.014 | Journal (article/letter/editorial) | | com/locate/gca A proposed new type of arsenian pyrite: Composition, nanostructure and geological significance...North University Avenue, Ann Arbor, MI 48109-1005, USA Received 11 October 2007; accepted in revised form...report describes a new form of arsenian pyrite, called As3+-pyrite, in which As substitutes for Fe [(Fe...of arsenian pyrite, As1-pyrite, in which As1 substitutes for S [Fe(As,S)2]. As3+-pyrite has been observed...As-free pyrite in a hydrothermal gold deposit at Yanacocha, Peru. XPS analyses of the As3+-pyrite confirm |  | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | Hutt, New Zealand JEFFREY L. MAUK, AND STUART F. SIMMONS School of Geography, Geology and Environmental...and acanthite are the main ore minerals, although pyrite, sphalerite, galena, chalcopyrite, sulfosalt minerals...are quartz ± calcite ± adularia ± illite type (Simmons et al., 2005; † Corresponding author: e-mail,...minerals and vein textures. Mineral Production Mining history Alluvial gold was discovered near Coromandel...deposits, 0361-0128/98/000/000-00 $6.00 little mining activity occurred until the discovery of Au-bearing |  | | Report (issue) | | NORTHERN SPOTTED OWL, NORTHWESTERN CALIFORNIA, WESTERN OREGON, AND WESTERN WASHINGTON Michael F. Diggles1 ,...Washington..................................... Oregon........................................ California...geochemical data from stream-sediment samples from Oregon .............................. Statistical summary..... Numerically determined magnetic boundaries, Oregon............ Numerically determined magnetic boundaries...stream-sediment samples from Oregon . ............ Localities of gridded geochemical data from Oregon . ........... |
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