Cation-ratio and accelerator radiocarbon dating of rock varnish on Mojave artifacts and landforms
Science
By: R.I. Dorn, D.B. Bamforth, T.A. Cahill, J. C. Dohrenwend, B. D. Turrin, D.J. Donahue, A.J.T. Jull, A. Long, M.E. Macko, E.B. Weil, D.S. Whitley, and T.H. Zabel
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Abstract
The first accelerator radiocarbon dates of rock varnishes are reported along with potassium/argon ages of lava flows and conventional radiocarbon dates of pluvial lake shorelines, in an empirical calibration of rock varnish K+ + Ca2+/Ti4+ ratios with age in the Mojave Desert, eastern California. This calibration was used to determine the cation-ratio dates of 167 artifacts. Although cation-ratio dating is an experimental method, some dates suggest human occupation of the Mojave Desert in the late Pleistocene.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Cation-ratio and accelerator radiocarbon dating of rock varnish on Mojave artifacts and landforms |
| Series title | Science |
| DOI | 10.1126/science.231.4740.830 |
| Volume | 231 |
| Issue | 4740 |
| Year Published | 1986 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 4 p. |
| First page | 830 |
| Last page | 833 |
| Country | United States |
| State | California |
| Other Geospatial | eastern California, Mojave Desert |