CCPortal

浏览/检索结果: 共4条,第1-4条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
New Geology articles published online ahead of print in February 科技资讯
2021
收藏  |  浏览/下载:17/0  |  提交时间:2021/03/03
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:46/17  |  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:86/41  |  提交时间:2019/11/06
Hydrogeology and hydrologic conditions of the Ozark Plateaus aquifer system 科技报告
报告编号: 70176879, 页数: 73, 2016
作者:  Hays, Phillip D. pdhays@usgs.gov;  Knierim, Katherine J. kknierim@usgs.gov;  Breaker, Brian K. bbreaker@usgs.gov;  Westerman, Drew A. dawester@usgs.gov;  Clark, Brian R. brclark@usgs.gov
Adobe PDF(9406Kb)  |  收藏  |  浏览/下载:5/3  |  提交时间:2019/11/06