CCPortal

浏览/检索结果: 共113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
Radiometric ages of volcanic rocks on the fort rock dome and in the aquarius mountains, Yavapai and Mohave Counties, Arizona 科技报告
报告编号: 70203062, 页数: 18, 2019
作者:  Fuis, Gary S.;  Calvert, Andrew T. acalvert@usgs.gov;  Sullivan, Katie
Adobe PDF(12289Kb)  |  收藏  |  浏览/下载:10/3  |  提交时间:2019/11/06
Undocumented late 18th- to early 19th-century volcanic eruptions in the Southwest Rift Zone of Kīlauea Volcano, Hawai‘i 科技报告
报告编号: 70202545, 页数: 22, 2019
作者:  Hazlett, Richard W.;  Orr, Tim R. torr@usgs.gov;  Lundblad, Steve P.
Adobe PDF(4994Kb)  |  收藏  |  浏览/下载:6/4  |  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
When volcanoes fall down—Catastrophic collapse and debris avalanches 科技报告
报告编号: 70203021, 页数: 6, 2019
作者:  Siebert, Lee;  Reid, Mark E. mreid@usgs.gov;  Vallance, James W. jvallance@usgs.gov;  Pierson, Thomas C. tpierson@usgs.gov
Adobe PDF(8523Kb)  |  收藏  |  浏览/下载:61/31  |  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
Water quality and hydrology of the Yellow Dog and Salmon Trout Watersheds, Marquette County, Michigan 2013–16 科技报告
报告编号: 70202479, 页数: 36, 2019
作者:  Hoard, Christopher J.;  Weaver, Thomas L.
Adobe PDF(10071Kb)  |  收藏  |  浏览/下载:32/12  |  提交时间:2019/11/06
Geologic map of the central-southeast flank of Mauna Loa Volcano, Island of Hawaii, Hawaii 科技报告
报告编号: 70074783, , 2019
作者:  Trusdell, Frank A.;  Lockwood, John P.
Adobe PDF(1713Kb)  |  收藏  |  浏览/下载:9/5  |  提交时间:2019/11/06
Living with volcano hazards 科技报告
报告编号: 70202932, 页数: 6, 2019
作者:  Stovall, Wendy K.;  Driedger, Carolyn L.;  Westby, Elizabeth G.;  Faust, Lisa M.
Adobe PDF(6255Kb)  |  收藏  |  浏览/下载:35/18  |  提交时间:2019/11/06