| Online link | http://pubs.usgs.gov/ds/489/ |
|---|---|
| Description | Compilation of isotopic and fission track age determinations, some previously published. Data for the tephrochronology of Pleistocene volcanic ash, carbon-14, Pb-alpha, common-lead, and U-Pb determinations on uranium ore minerals are not included. |
| Originators | Klein, Terry L.; Evans, Karl V.; and DeWitt, Ed H. |
| Publication | U.S. Geological Survey Data Series 489 |