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Geochemistry of Mariano Lake-Lake Valley Cores, McKinley County, New Mexico
From abstract: The primary goal of the U.S. Geological Survey-Bureau of Indian Affairs drilling project in the Upper Jurassic Morrison Formation in McKinley County, New Mexico, was to better understand the relationship between host-rock stratigraphy and uranium mineralization. As part of this project, geochemical studies of approximately 280 samples from 8 cores and 1 outcrop were undertaken; samples from 4 of the cores show uranium enrichment. Geochemical relationships between samples of weathered outcrop, oxidized core, reduced (unmineralized) core, and ore-bearing core were contrasted by comparison of element abundances.
Date:
1990
Creator:
Leventhal, Joel S.
System:
The UNT Digital Library
Stratigraphy, Structure, and Paleogeography of Pennsylvanian and Permian Rocks, San Juan Basin and Adjacent Areas, Utah, Colorado, Arizona, and New Mexico
From introduction: The investigation described herein is a part of the USGS Evolution of Sedimentary Basins Program. This report concerns the Pennsylvanian and Permian stratigraphic framework, structural development, and paleogeography of the San Juan Basin.
Date:
1993
Creator:
Huffman, A. Curtis, Jr. & Condon, Steven M.
System:
The UNT Digital Library