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U-Pb and Lu-Hf isotope, age, and trace-element data from zircons at four sites in the western Alaska Range and Talkeetna Mountains, Alaska 科技报告
报告编号: 70203707, , 2019
作者:  Todd, Erin etodd@usgs.gov;  Kylander-Clark, Andrew R. C.;  Wypych, Alicja;  Twelker, Evan;  Sicard, Karri R.
收藏  |  浏览/下载:34/0  |  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: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
Geology and paleontology of the late Miocene Wilson Grove Formation at Bloomfield Quarry, Sonoma County, California 科技报告
报告编号: 70202776, 页数: 88, 2019
作者:  Powell, Charles L.;  Boessenecker, Robert W.;  Smith, N. Adam;  Fleck, Robert J.;  Carlson, Sandra J.;  Allen, James R.;  Long, Douglas J.;  Sarna-Wojcicki, Andrei M.;  Guruswami-Naidu, Raj B.
Adobe PDF(43678Kb)  |  收藏  |  浏览/下载:107/48  |  提交时间:2019/11/06
Biogeochemical and physical processes controlling mercury methylation and bioaccumulation in Lake Powell, Glen Canyon National Recreation Area, Utah and Arizona, 2014 and 2015 科技报告
报告编号: 70199873, 页数: 98, 2019
作者:  Naftz, David L. dlnaftz@usgs.gov;  Marvin-DiPasquale, Mark mmarvin@usgs.gov;  Krabbenhoft, David P. dpkrabbe@usgs.gov;  Aiken, George;  Boyd, Eric S.;  Conaway, Christopher H. cconaway@usgs.gov;  Ogorek, Jacob M. jmogorek@usgs.gov;  Anderson, Gregory M.
Adobe PDF(9335Kb)  |  收藏  |  浏览/下载:71/15  |  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:67/37  |  提交时间:2019/11/06
The Las Vegas Formation 科技报告
报告编号: 70197344, , 2018
作者:  Springer, Kathleen B. kspringer@usgs.gov;  Pigati, Jeffrey S. jpigati@usgs.gov;  Manker, Craig R. cmanker@usgs.gov;  Mahan, Shannon A. smahan@usgs.gov
Adobe PDF(10086Kb)  |  收藏  |  浏览/下载:58/12  |  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:49/17  |  提交时间:2019/11/06
Geochemistry and microbiology of groundwater and solids from extraction and monitoring wells and their relation to well efficiency at a Federally operated confined disposal facility, East Chicago, Indiana 科技报告
报告编号: 70198172, 页数: 150, 2018
作者:  Bayless, E. Randall ebayless@usgs.gov;  Cole, Travis R.;  Lampe, David C. dclampe@usgs.gov;  Travis, Rebecca E. rtravis@usgs.gov;  Schulz, Marjorie S. mschulz@usgs.gov;  Buszka, Paul M. pmbuszka@usgs.gov
Adobe PDF(20927Kb)  |  收藏  |  浏览/下载:147/19  |  提交时间:2019/11/06
Faunal and vegetation monitoring in response to harbor dredging in the Port of Miami 科技报告
报告编号: 70196458, 页数: 38, 2018
作者:  Daniels, Andre;  Stevenson, Rachael;  Smith, Erin;  Robblee, Michael
Adobe PDF(1571Kb)  |  收藏  |  浏览/下载:4/1  |  提交时间:2019/11/06