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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
Geological mapping of Sierra Leone : baseline assessment and next steps 科技报告
, 2018
Adobe PDF(2314Kb)  |  收藏  |  浏览/下载：27/20  |  提交时间：2019/11/06
Descriptive models for epithermal gold-silver deposits: Chapter Q in 科技报告
报告编号: 70196376, , 2018
作者:  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  du Bray, Edward A. edubray@usgs.gov;  Blakely, Richard J. blakely@usgs.gov;  Fey, David L. dfey@usgs.gov;  Rockwell, Barnaby W. barnabyr@usgs.gov;  Mauk, Jeffrey L. jmauk@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov;  Graybeal, Frederick T.
Adobe PDF(39815Kb)  |  收藏  |  浏览/下载：50/17  |  提交时间：2019/11/06
U-Pb geochronology and tectonic implications of a Silurian ash in the Farewell Terrane, Alaska 科技报告
报告编号: 70200851, 页数: 20, 2018
作者:  Bradley, Dwight C. dbradley@usgs.gov;  Dumoulin, Julie A. dumoulin@usgs.gov;  Bradley, Dan B.
Adobe PDF(2268Kb)  |  收藏  |  浏览/下载：35/16  |  提交时间：2019/11/06
Quartz-pebble-conglomerate gold deposits: Chapter P in Mineral deposit models for resource assessment 科技报告
报告编号: 70196218, 页数: 44, 2018
作者:  Taylor, Ryan D. rtaylor@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov
Adobe PDF(6658Kb)  |  收藏  |  浏览/下载：44/16  |  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
Cobalt 科技报告
报告编号: 70175694, 页数: 52, 2017
作者:  Slack, John F. jfslack@usgs.gov;  Kimball, Bryn E. bekimball@usgs.gov;  Shedd, Kim B. kshedd@usgs.gov
Adobe PDF(4568Kb)  |  收藏  |  浏览/下载：33/11  |  提交时间：2019/11/06
Geologic map of the upper Arkansas River valley region, north-central Colorado 科技报告
报告编号: 70190023, 页数: 80, 2017
作者:  Kellogg, Karl S.;  Shroba, Ralph R. rshroba@usgs.gov;  Ruleman, Chester A.;  Bohannon, Robert G. rbohannon@usgs.gov;  McIntosh, William C.;  Premo, Wayne R. wpremo@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Moscati, Richard J. rmoscati@usgs.gov;  Brandt, Theodore R. tbrandt@usgs.gov
Adobe PDF(17407Kb)  |  收藏  |  浏览/下载：67/17  |  提交时间：2019/11/06
A field trip guide to the petrology of Quaternary volcanism on the Yellowstone Plateau 科技报告
报告编号: 70192840, 页数: 82, 2017
作者:  Vazquez, Jorge A. jvazquez@usgs.gov;  Stelten, Mark E. mstelten@usgs.gov;  Bindeman, Ilya N.;  Cooper, Kari
Adobe PDF(8721Kb)  |  收藏  |  浏览/下载：11/1  |  提交时间：2019/11/06