Abstract
THIS note reports measurements made in an attempt to determine: (1) the possible effect of xenoliths on whole-rock basalt age determinations; (2) whether or not potassium-argon age determinations on xenoliths in basalt might approximate the age of the basalt flow. The field location is in the canyon of Sawmill Creek, Inyo County, sec. 7 md 18, T. 12 S., R. 34 E., and sec. 12 and 13, T. 12 S., R. 33 E.
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Dalrymple, G. B., Ph.D. thesis, Univ. California, Berkeley, Calif., 94 (1963).
Curtis, G. H., Evernden, J. F., and Lipson, J., Calif. Div. Mines Spec. Rep. 54 (1958). Kistler, R. W. (personal communication, 1963).
Wetherill, G. W., Aldrich, L. T., and Davis, G. L., Geochim. et Cosmochim. Acta, 8, 171 (1955). Evernden, J. F., and Richards, J. R., J. Geol. Soc. Austral., 9, 1 (1962).
Evernden, J. F., Curtis, G. H., Kistler, R. W., and Obradovich, J., Amer. J. Sci., 258, 599 (1960).
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DALRYMPLE, G. Argon Retention in a Granitic Xenolith from a Pleistocene Basalt, Sierra Nevada, California. Nature 201, 282 (1964). https://doi.org/10.1038/201282a0
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DOI: https://doi.org/10.1038/201282a0
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