Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 19 May 1967:
Vol. 156. no. 3777, pp. 932 - 934
DOI: 10.1126/science.156.3777.932
Prev | Table of Contents | Next

Articles

Ionium Dating of Igneous Rocks

Kunihiko Kigoshi 1

1 Faculty of Science, Gakushuin University, Toshimaku, Mejiro, Tokyo, Japan

Local fractionation of uranium and thorium, between minerals within a sample of igneous rock at the time of crystallization, makes it possible to date its solidification by use of ionium and uranium. Results on samples of granite, pumice, and lava suggest that this method of dating is reliable.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Uranium-series Crystal Ages.
K. M. Cooper and M. R. Reid (2008)
Reviews in Mineralogy and Geochemistry 69, 479-544
   Full Text »    PDF »
Timescales of Magma Chamber Processes and Dating of Young Volcanic Rocks.
M. Condomines, M. Condomines, P.-J. Gauthier, and O. Sigmarsson (2003)
Reviews in Mineralogy and Geochemistry 52, 125-174
   Full Text »    PDF »
Short-Lived Radioactivity and Magma Genesis.
J. Gill, J. Gill, and M. Condomines (1992)
Science 257, 1368-1376
   Abstract »    PDF »


To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)