Search Publication Catalog

Click here to search the entire website instead

by Relevance   by Date

Displaying 181 - 210 of 405

greatest in the company's 61-year History. Lower silver prices reduced profits from the company's Coeur mine in the ... cited by the state last year. Pocatello issued its first air quality advisory in History in February when an inversion trapped air from the Simplot and FMC plants ... of new projects started. Beartrack, the largest gold discovery in the state's History, continued to draw companies to the Salmon area. Exploration for ...

History of Pliocene to early Pleistocene lake and stream deposits in the light ... Springs quadrangle. Remanent Malde, H.E., 1991, Quaternary geology and structural History of the Snake River ... (latest Blancan-earliest Irvingtonian) Froman Ferry fauna and History of the ...

Anthony quad- GEOLOGIC History ... separate Qao from loess-covered Qbm. Mapped by Scott (1982) complicated Holocene History linked to cycles of climate change (Gaylord Qa ... of Mackerts Pond (Qbmp) and Holocene eolian deposits (Qes). The River also has a History of shifting channels. Numerous relic channels are ...

50 37 normalized values of modal quartz (Q), alkali feldspar (A), and plagioclase antiform are upright and that the calcareous banded phyllite (KPcp) and The structural History of this area is complex and long-lived. The area lies ... tion History in which the assemblage remained at relatively shallow crustal ... believe the Rapid River thrust is immediately west of the quadrangle drainage History in the Clearwater embayment, Idaho: Geological Society 35 ...

Information on the volcanic rock sam- GEOLOGIC History ples, including locations and analytical results, can be ... magnetostratigraphic subdivisions commonly overlap, an unclear role in the accretion History. Rocks of this which may be caused by ?ows inter?ngering from sev- ... metamorphic plutons. Concentrations of Sr are lower, and Cu higher, History in the Syringa metamorphic sequence cannot be ...

Anderson's descriptions of the deposits and the geologic History of the area are frequently more accurate than the later work by Staatz ... needed to explain the origin of the deposits and to better understand the geologic History of the region. COMPARISON TO PROTEROZOIC FeOx-Cu-Au-U-REE DEPOSITS ... 1999)may help elucidate some of the Tertiary volcanic and sedimentological History of the area. It is our conclusion that the Lemhi Pass Fault Zone, as ...

Budget History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... in staff geologists make their expertise available by the Survey’s 84-year History. This solid produc- participating in seminars, field trips, and worktivity ... by R.M. Breckenridge and T.C. Walker: Geology stage Precambrian-Mesozoic History for Tho- 404-504, Department of Geological Sciences, rium and Copper ...

65 fine-grained feldspathic quartzite is commonly in 1-5 dm, rarely 1 m, geological History of the Purcell (Belt) basin: Canadian Journal of Earth Sciences, v. ... Hamilton, J.M., R.G. McEachern, and O.E. Owens, 2000, A History of geological investi- 55 ... of Yb dominate. Forms ridgeline in northeast corner of map. metallogenic History of the early synrift phase of the Purcell basin, southeastern British ...

Ypm Qgl geological History of the Purcell (Belt) basin: Canadian Journal of Earth Sciences, ... Hamilton, J.M., R.G. McEachern, and O.E. Owens, 2000, A History of geological ... cracks that taper downward. On bedding-plane surfaces, cracks are metallogenic History of the early synrift phase of the Purcell basin, southeastern British ...

Rusty nature of outcrop is due to weathering of Mesoproterozoic geological History of the Purcell (Belt) basin: Canadian ... Hamilton, J.M., R.G. McEachern, and O.E. Owens, 2000, A History of geologi- ... Cressman and Harrison, 1986). magmatic and metallogenic History of the early synrift phase of the Purcell ...

Mitchell (2000) presents a detailed chronology and production History for the mine, which produced mercury from both open pit and underground ... Bureau of Mines and Geology Pamphlet No. 55, 9 p. Mitchell, Victoria E., 2000, History of the Idaho Almaden Mine, Washington County, Idaho: Idaho Geological Survey ... publication (Mitchell, 2000 ) provides good background information covering the site History and geology in greater detail. Numerous underground workings are noted on ...

3 Ma from geological History of the Purcell (Belt) Basin: Canadian Journal of Earth Sciences, ... Hamilton, J.M., R.G. McEachern, and O.E. Owens, 2000, A History of Geological 55 ... showing counterclockwise rotation 2003). See Harrison and Jobin (1963) for the History of naming units in the area; ...

History of the sediments and soil materials in northeast (Malde, 1991). North and south of ... Falen. 1994. Aggradational and erosional map. History of the Radioactive Waste Kutzback, J.E., and H.E. Wright, Jr. 1985. ... geology and and R.M. Breckenridge (eds.) Cenozoic structural History of the Snake River Plain, Geology of Idaho. Idaho Bureau of Mines ...

5’ quadrangles to have any History of commercial ... Janecke, S.U., and Oaks, R.Q., Jr., 2011, Reinterpreted History of latest Pleisto- ... (latest Blancan-earliest Irvingtonian) Froman Ferry fauna and History of the ...

, 2000, History of the Stibnite mining area, Val- ... 2016, Geologic History of the Blackbird Co-Cu district in the Lemhi subbasin ... Mitchell, V.E., 1999, History of the Ima mine, Lemhi County, ...

, 1984, Tectonic History of a continent-island arc boundary: west ... tion History of the western margin of the Idaho batholith near McCall, collected in the ... protracted History that includes early ductile deformation of basement rocks ...

Embree, 2014, Looking through loess; unraveling the volcanic History at the transition to the Snake River plain near Rexburg, Idaho: ... v. 117, no. 3/4, p. 288-306. Neibaur, Phil, 2003, Green Canyon Hot Springs History: Available at: www.greencanyonhotspring.com/History (accessed 15 ... and M. J. Pavich, 2011, A loess-paleosol record of climate and glacial History over the past two glacial-interglacial cycles (~150ka), southern ...

History and production ... taken up in detail below. PLACER DEPOSITS History AND PRODUCTION Gold was discovered along the Salmon River at a point where ... work done on them. COPPER DEPOSITS History AND PRODUCTION The copper deposits were discovered in the late eighties, but ...

WILDERNESS IN IDAHO--A BRIEF History. 12 TWO EXAMPLES OF MINERAL INVENTORY ... of ore. . . WILDERNESS IN IDAHO--A BRIEF History The History of classification and withdrawal from mineral entry of ... Office of John V. Evans, Governor, State of Idaho. Background information about the History of wilderness development in Idaho, mineral economics, RARE II, and ...

Smith Museum of Natural History Eastern Washington University ... controls on alteration and mineralization, and understanding the geologic History of the region. The Silver City district produced approximately 1.3 ... and scanned during the 2020-2021 NGGDPP grant cycle. A brief History of the Idaho Buckhorn Mine property, written by Bob, can be found in ...

in the recorded History of Idaho, and a global pandemic, to name a few. No matter who you are, you ... College of Western Idaho Orma J. Smith Museum of Natural History Earthquake Engineering Research Institute Owyhee Gem and ... Idaho. This was the second largest earthquake to occur within Idaho in recorded History. The mainshock was followed by an aftershock sequence that continues to ...

Lewis: Geological Society Geologic History ofthe Inland Northwest, by R.S. ofAmerica Abstracts with Programs, 2004, v. ... Activity Update, by V.S . Gillerman: Department of Glacial Geology and History ofthe Sawtooth Moun- Environmental Quality Groundwater Monitoring ... Idaho Geological Survey, January-February (K.L. _J Surficial Geology and GlacialHistory ofthe Western Othberg). and Northern Sawtooth Mountains, by L.R. ...

Smith Museum of Natural History Brigham Young University-Idaho Portneuf Watershed ... Active Mining and Exploration The Idaho Geological Survey (IGS) has a long History of and statutory responsibility to provide annual factual updates and ... as the Idaho thrust belt.. Oil and Gas For the first time in History, Idaho is now a hydrocarbon producing state owing to the recent drilling ...

History AND DESCRIPTION OF THE ORE DEPOSITS IN THE ROCKY BAR MINING DISTRICT ... plutons, or they may be basic plutons formed early in the batholith History. 2. The main phase granodiorite-quartz monzonite plutons ... batholitho 26 History AND DESCRIPTION OF THE ORE DEPOSITS IN THE ROCKY ...

A major landmark in north Idaho passed into History in 1991. The last remaining stoplight on Interstate 90 (located in downtown ... transmitted diseases. Another trademark of the district, gambling, passed into History when the FBI raided local bars and taverns and confiscated ... 7.65 million shares outstanding. The company played an important part in the long History of the Coeur d'Alene district, starting with the discovery of what would ...

weather index exceeded 4000 for the first time in History on February 24th, reached 4500 on June 19th, blasted through 5000 on November ... Todd Goodson of Kellogg. The 60-minute presentation is especially strong on recent History and includes narrative about Superfund reclamation at the mine and mill complex. ... Sunshine introduced trackless diesel-powered mining for the first time in the mine's History. Four rubber-tired front-end loaders are being used to mine the Sunshine and ...

, 2011, Reinterpreted History of latest ... (latest Blancan-earliest Irvingtonian) Froman Ferry fauna and History of the ... Wood, S.H., and Clemens, D.M., 2002, Geologic and tectonic History of the ...

Qas Qas GEOLOGICAL History wet seasons. The soils developed on this unit contain ... The geological History of the Ririe quadrangle began in the late Miocene at from 0.9 to >1.5 m ... to 20 ft) thick. glacial History over the past two glacial-interglacial cycles (~150 ka), south- ...

Characterized by Mesoproterozoic geological History of the Purcell (Belt) Basin: Canadian ... green siltite and argillite Hamilton, J.M., R.G. McEachern, and O.E. Owens, 2000, A History of Geological ... communication, 2003). See Harrison and Jobin (1963, 1965) for the History ...

drainage History in the Clearwater embayment, Idaho: Geological Society ... deformation History of the western margin of the Idaho batholith near ... gives weakmagnetic polarity, although field magnetometer commonly gives weak History of development (Schmidt and Lewis, 2007). Columbia River BasaltHistory of development ...

Previous  1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next