Tables for the calculation of lead isotope ages /
"Tables for the calculation of geologic age using the atomic ratios of Pb²⁰⁶/U²³⁸, Pb²⁰⁷/U²³⁵, Pb²⁰⁷/Pb²⁰⁶, and Pb²⁰⁸/Th²³²."
| Main Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1959.
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| Series: | Geological Survey professional paper ;
334-A. Shorter contributions to general geology. |
| Subjects: |
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