Red and gray clay underlying ore-bearing sandstone of the Morrison Formation in western Colorado
A preliminary study of the clays underlying the ore-bearing sandstone of the Morrison formation, Colorado, has tentatively identified the chief clay mineral as hydrous mica. Complete and partial chemical analyses show that the red clay contains more total iron and ferric iron than the gray clay. Spe...
| Main Authors: | Weeks, Alice D., Geological Survey (U.S.) |
|---|---|
| Format: | Text |
| Language: | English eng |
| Published: |
1951
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| Subjects: | |
| Online Access: |
http://hdl.handle.net/11166/83687 http://archives.mountainscholar.org/cdm/ref/collection/p17393coll30/id/4068 |