CCPortal

浏览/检索结果: 共49条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Two-dimensional seismic velocities and structural variations at three British Columbia Hydro and Power Authority (BC Hydro) dam sites, Vancouver Island, British Columbia, Canada 科技报告
报告编号: 70202281, 页数: 137, 2019
作者:  Catchings, Rufus D. catching@usgs.gov;  Addo, Kofi O.;  Goldman, Mark R. goldman@usgs.gov;  Chan, Joanne H. jchan@usgs.gov;  Sickler, Robert R. rsickler@usgs.gov;  Criley, Coyn J. ccriley@usgs.gov
Adobe PDF(31461Kb)  |  收藏  |  浏览/下载:32/8  |  提交时间:2019/11/06
Petrographic, geochemical, and geochronologic data for cenozoic volcanic rocks of the Tonopah, Divide, and Goldfield Mining Districts, Nevada 科技报告
报告编号: 70200391, 页数: 25, 2019
作者:  du Bray, Edward A. edubray@usgs.gov;  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  Colgan, Joseph P. jcolgan@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Morgan, Leah E. lemorgan@usgs.gov;  Fleck, Robert J. fleck@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov;  Holm-Denoma, Christopher S. cholm-denoma@usgs.gov
Adobe PDF(9017Kb)  |  收藏  |  浏览/下载:70/22  |  提交时间:2019/11/06
Assessment of undiscovered copper resources of the world, 2015 科技报告
报告编号: 70201026, 页数: 644, 2019
作者:  Hammarstrom, Jane M. jhammars@usgs.gov;  Zientek, Michael L.;  Parks, Heather L. hparks@usgs.gov;  Dicken, Connie L. cdicken@usgs.gov;  U.S. Geological Survey Global Copper Mineral Resource Assessment Team
Adobe PDF(324154Kb)  |  收藏  |  浏览/下载:100/28  |  提交时间:2019/11/06
Petrology of volcanic rocks associated with silver-gold (Ag-Au) epithermal deposits in the Tonopah, Divide, and Goldfield Mining Districts, Nevada 科技报告
报告编号: 70202841, , 2019
作者:  du Bray, Edward A. edubray@usgs.gov;  John, David A. djohn@usgs.gov;  Colgan, Joseph P. jcolgan@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Morgan, Leah E. lemorgan@usgs.gov
Adobe PDF(1740Kb)  |  收藏  |  浏览/下载:44/18  |  提交时间:2019/11/06
Petrologic and mineral physics database for use with the U.S. Geological Survey National Crustal Model 科技报告
报告编号: 70203661, , 2019
作者:  Sowers, Theron;  Boyd, Oliver S. olboyd@usgs.gov
Adobe PDF(1228Kb)  |  收藏  |  浏览/下载:22/8  |  提交时间:2019/11/06
Characterization of Big Chino subbasin hydrogeology near Paulden, Arizona, using controlled source audio-frequency magnetotelluric surveys 科技报告
报告编号: 70204738, 页数: 39, 2019
作者:  Macy, Jamie P. jpmacy@usgs.gov;  Gungle, Bruce W. bgungle@usgs.gov;  Mason, Jon P. jmason@usgs.gov
Adobe PDF(9407Kb)  |  收藏  |  浏览/下载:32/12  |  提交时间:2019/11/06
Soil mineralogy and geochemistry along a north-south transect in Alaska and the relation to source-rock terrane 科技报告
报告编号: 70204649, 页数: 27, 2019
作者:  Wang, Bronwen;  Hults, Chad P. chults@usgs.gov;  Eberl, Dennis D.;  Woodruff, Laurel G. woodruff@usgs.gov;  Cannon, William F. wcannon@usgs.gov;  Gough, Larry P. lgough@usgs.gov
Adobe PDF(6985Kb)  |  收藏  |  浏览/下载:63/35  |  提交时间:2019/11/06
Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, Alaska 科技报告
报告编号: 70194443, 页数: 40, 2018
作者:  Coombs, Michelle L. mcoombs@usgs.gov;  Larsen, Jessica F.;  Neal, Christina A. tneal@usgs.gov
Adobe PDF(14988Kb)  |  收藏  |  浏览/下载:8/6  |  提交时间:2019/11/06
Geology and assessment of undiscovered oil and gas resources of the Northern West Siberian Mesozoic Composite Total Petroleum System of the West Siberian Basin Province, Russia, 2008 科技报告
报告编号: 70193903, 页数: 38, 2018
作者:  Schenk, Christopher J. schenk@usgs.gov
Adobe PDF(6225Kb)  |  收藏  |  浏览/下载:41/5  |  提交时间:2019/11/06
Review of the geochemistry and metallogeny of approximately 1.4 Ga granitoid intrusions of the conterminous United States 科技报告
报告编号: 70191014, 页数: 44, 2018
作者:  du Bray, Edward A. edubray@usgs.gov;  Holm-Denoma, Christopher S. cholm-denoma@usgs.gov;  Lund, Karen klund@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov
Adobe PDF(39432Kb)  |  收藏  |  浏览/下载:65/37  |  提交时间:2019/11/06