 | | Report (issue) | | percent short ton U.S. dollar gold silver copper lead zinc cobalt manganese iron uranium oxide phosphorous...prospects 2. Salmon Ranger District mines and prospect 3. Cobalt Ranger District mines and prospects...east-central Idaho. Most of the Forest is in Lemhi County; only a small portion falls within Idaho and Valley... 61.9 million pounds copper, 8.9 million pounds lead, 13.9 million pounds cobalt, 208,000 pounds zinc...District. Other resources include gold, silver, copper, lead, molybdenum, phosphate, manganese, iron, fluorite |  | | Report (issue) | | of the Questa Molybdenum (Moly) Mine Area, Taos County, New Mexico BY JOHN H. SCHILLING Local structure..................................11 Amphibolite Complex ...................................................................................23 Volcanic Complex ..............................................................................66 Bear Canyon (Horseshoe) Prospects ............................................68 Log Cabin Canyon Prospects (Steve's Prospect ?) ................................68 Bernhardt |  | | Report (issue) | | ......................................17 Horseshoe prospect .........................................................43 King Leopold Orogen — Hooper Complex ..............................................................................49 Kimberley Ice prospect (western dome) ................................................75 Halls Creek Orogen — Lamboo Complex ...............................................................79 King Leopold Orogen — Hooper Complex .............................................. |  | | Report (issue) | | BULLETIN 71 Mineral Resources of Taos County, New Mexico by JOHN H. SCHILLING Description of mineral.................................... Metamorphic complex ..................................................................................... Volcanic complex ....................................................................................... Cedros prospect ............................................................................................. Prospect along lower Cabresto Canyon ................. |  | | Report (issue) | | GEOLOGY AND MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California...parts of several sections, by R. M. Stewart COUNTY REPORT California Division of Mines Ferry Building...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT...Metasedimentary rocks (Cretaceous and/or older) Metavolcanic rocks (Jurassic and/or Cretaceous) 20 Hypabyssal...Hypabyssal intrusive rocks associated with the metavolcanic rocks Hybrid gneisses and associated quartz |  | | Journal (article/letter/editorial) | | pyroxenes and other minerals around sulphide grains. Complex textural relationships between bornite and chalcopyrite...analysed from the Hester Maria, Homeep West, Horseshoe Prospect and Rietberg bodies. Separation ~ and analytical...01d (as defined by Wasserburg in 1963) from Horseshoe Prospect (no. 28), the zircons all show strong patterns...either an episode of lead loss some 150 m.y. ago, o__rmore logically, continuous lead diffusion (Wasserburg...1958 %¥asserburg, G.J. : Diffusion processes in lead-uranium systems. J. Geophys. Res. 6___8,4823-46 |  | | Report (volume) | | ............................ Tourmalinic silver-lead deposits................................ Description...... Systematic importance of tourmalinic silver-lead deposits:.......... Younger ore deposits (post-Miocene)..... ^.......................... 83 John McGrew prospect........................................ 84 Peerless.................................... Yellowstone prospect........................................... Kennedy........................................... Horseshoe prospect......................................... |  | CLIFFORD, T. N., BARTON, E. S., RETIEF, E. A., REX, D. C., FANNING, C. M. (1995) A Crustal Progenitor for the Intrusive Anorthosite--Charnockite Kindred of the Cupriferous Koperberg Suite, O'okiep District, Namaqualand, South Africa; New Isotope Data for the Country Rocks and the Intrusives. Journal of Petrology, 36 (1) 231-258 doi:10.1093/petrology/36.1.231 | Journal (article/letter/editorial) | | and the high /i? (10-1), that characterize the metavolcanic and metasedimentary rocks, and intrusive granite...(1986): (1) an older suite of metasedimentary and metavolcanic rocks, including quartzite, schist and granulite...developed T\\ phase that is sometimes structurally complex, with an early phase that exhibits multiple growth...kindred; the cupriferous norite-hypersthenite complex of Caraiba in Brazil may be similar in character...Deposits of Cumming, G. L. & Richards, J. R., 1975. Ore lead isotope ratios Southern Africa. Geological Society |  | Nash, J. Thomas, Briggs, P.H., Bartel, A.J., Brandt, E.L. (1988) Geochemical results for samples of ore and altered hostrocks, Blackbird mining district, Lemhi County, Idaho. Open-File Report Vol. 1988 (88-661) US Geological Survey doi:10.3133/ofr88661 | Report (issue) | | Altered Hostrocks, Blackbird Mining District, Lemhi County, Idaho By Nash, J. Thomas,* Briggs, Paul,* Bartel...generalized geology of the Idaho Cobalt Belt, Lemhi County, Idaho. Cobalt deposits sampled in this study:...BP, Buckeye prospect; CZ, Chicago zone; CP, Chelan prospect; CEP, Catherine-Ella prospect; DZ, Dandy zone;...Chelan prospect; ESP, East Sunshine prospect; HZ, Horseshoe zone; IZ, Idaho zone; IP, Iowa prospect; MP...MP, Mushroom prospect; RP, Ridgetop prospect; SIL, South Idaho lode; TP, Toronto prospect............. | | | Report (issue) | | Aerial view (2010) of a forested landscape in McKean County, Pennsylvania, showing the spatial effects of roads...and the interconnectedness among resources will lead to new challenges and, in turn, require cutting-edge...interrelated goals. Twin Groves wind farm in McLean County, Illinois. Photograph by Guenter Conzelmann, Argonne...In addition, working across the USGS, scientists lead research on the potential environmental and human...Act of 2007 (P.L.110-140) authorized the USGS to lead storage capacity assessments of carbon dioxide (CO2) |
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