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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:73/23  |  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:49/20  |  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
Titanium mineral resources in heavy-mineral sands in the Atlantic coastal plain of the southeastern United States 科技报告
报告编号: 70196106, , 2018
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Ellefsen, Karl J. ellefsen@usgs.gov
Adobe PDF(19948Kb)  |  收藏  |  浏览/下载:5/2  |  提交时间:2019/11/06
Compilation of new and previously published geochemical and modal data for Mesoproterozoic igneous rocks of the St. Francois Mountains, southeast Missouri 科技报告
报告编号: 70195863, , 2018
作者:  du Bray, Edward A. edubray@usgs.gov;  Day, Warren C. wday@usgs.gov;  Meighan, Corey J. cmeighan@usgs.gov
Adobe PDF(49625Kb)  |  收藏  |  浏览/下载:64/34  |  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:68/37  |  提交时间:2019/11/06
Framework geologic map and structure sections along the Bartlett Springs Fault Zone and adjacent area from Round Valley to Wilbur Springs, northern Coast Ranges, California 科技报告
报告编号: 70194837, , 2018
作者:  McLaughlin, Robert J. rjmcl@usgs.gov;  Moring, Barry C. moring@usgs.gov;  Hitchcock, Christopher S.;  Valin, Zenon C. zenon@usgs.gov
Adobe PDF(8700Kb)  |  收藏  |  浏览/下载:58/15  |  提交时间:2019/11/06
Geologic map of the north half of the Lake Walcott 30'×60' quadrangle, Idaho 科技报告
报告编号: 70196647, , 2018
作者:  Kuntz, Mel A.;  Champion, Duane E. dchamp@usgs.gov;  Turrin, Brent R.;  Gans, Philip B.;  Covington, Harry R.;  VanSistine, D. Paco dvansistine@usgs.gov
Adobe PDF(5754Kb)  |  收藏  |  浏览/下载:46/18  |  提交时间:2019/11/06
Platinum-group elements 科技报告
报告编号: 70159183, 页数: 106, 2017
作者:  Zientek, Michael L. mzientek@usgs.gov;  Loferski, Patricia J. ploferski@usgs.gov;  Parks, Heather L. hparks@usgs.gov;  Schulte, Ruth F. rschulte@usgs.gov;  Seal, Robert R. II rseal@usgs.gov
Adobe PDF(34317Kb)  |  收藏  |  浏览/下载:89/41  |  提交时间:2019/11/06
Vanadium 科技报告
报告编号: 70170806, 页数: 48, 2017
作者:  Kelley, Karen D. kdkelley@usgs.gov;  Scott, Clinton T. clintonscott@usgs.gov;  Polyak, Désirée E. dpolyak@usgs.gov;  Kimball, Bryn E. bekimball@usgs.gov
Adobe PDF(10545Kb)  |  收藏  |  浏览/下载:45/14  |  提交时间:2019/11/06