首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Grand Canyon caves, breccia pipes and mineral deposits
Authors:KAREN J WENRICH  HOYT B SUTPHIN
Institution:Karen J. Wenrich and Hoyt B. Sutphin are at the Branch of Sedimentary Processes, US Geological Survey, Denver, Colorado, USA.
Abstract:The Redwall Limestone of the Grand Canyon forms a major mineral district, its breccia pipes being host to rich uranium and base-metal deposits. Yet karst processes as a mechanism for preparing host rocks for ore deposition have been little studied.
Keywords:
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号