⁴⁰Ar/³⁹Ar age-spectrum data for whole rock basalts, and plagioclase and biotite from tephra [microform] : a traverse down the Porcupine River, east-central Alaska / by Michael J. Kunk, and Henry Cortesini, Jr.
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| Other title: | Age spectrum data for whole rock basalts, and plagioclase and biotite from tephra. |
| Format: | Government Document Microfilm Book |
| Language: | English |
| Published: |
Reston, Va. : [Denver, Colo.] :
U.S. Dept. of the Interior, Geological Survey ; [Books and Open-File Reports Section, distributor],
1992.
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| Series: | U.S. Geological Survey open-file report ;
92-701. |
| Subjects: |
Earth Sciences & Map Library - Microform
| Call Number: |
I 19.76:92-701
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| I 19.76:92-701 (fiche 1 of 1) | Available Place a Hold |