Calderas of the San Juan volcanic field, southwestern Colorado : eighteen major ash-flow tuff sheets were deposited and perhaps as many related calderas developed during emplacement of an underlying shallow batholith in late Oligocene time / by Thomas A. Steven and Peter W. Lipman.
Eighteen major ash-flow tuff sheets were deposited and perhaps as many related calderas developed during emplacement of an underlying shallow batholith in late Oligocene time.
| Uniform Title: | Geological Survey professional paper ;
958. |
|---|---|
| Main Author: | |
| Corporate Author: | |
| Other Authors: | |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1976.
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| Series: | Geological Survey professional paper ;
958. |
| Subjects: | |
| Physical Description: | iii, 35 pages : illustrations ; 29 cm. |
| Format: | Government Document Book |
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