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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
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
Geologic map of the Rio Rico and Nogales 7.5’ quadrangles, Santa Cruz County, Arizona 科技报告
报告编号: 70169109, , 2016
作者:  Page, William R. rpage@usgs.gov;  Menges, Christopher M. cmmenges@usgs.gov;  Gray, Floyd fgray@usgs.gov;  Berry, Margaret E. meberry@usgs.gov;  Bultman, Mark W. mbultman@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  VanSistine, D. Paco
Adobe PDF(21528Kb)  |  收藏  |  浏览/下载:27/4  |  提交时间:2019/11/06