| Abstract: | Weathering has drastically reduced the RbSr and, to a lesser extent, the KAr age of biotite from the Morton Gneiss of southwestern Minnesota. The ages are approximately 75% and 25% lower than the corresponding ages for biotite from the fresh gneiss. The effects of even incipient weathering cannot be neglected in RbSr dating of biotite and, by analogy, of feldspar and whole-rock samples. ?? 1966. |
| Genre: | Article |
| ProdID: | 70010760 |
| Citation Author: | Goldich, S. S.; Gast, P. W. |
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| Citation End Page: | 375 |
| Citation Issue: | 6 |
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| Citation Language: | English |
| Citation Larger Work Title: | Earth and Planetary Science Letters |
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| Citation Number Of Pages: | 4 |
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| Citation Search Results Text: | Effects of weathering on the RbSr and KAr ages of biotite from the Morton Gneiss, Minnesota; 1966; Article; Journal; Earth and Planetary Science Letters; Goldich, S. S.; Gast, P. W. |
| Citation Start Page: | 372 |
| Citation Volume: | 1 |
| Citation Year: | 1966 |
| Type: | citation/reference |
| Text: | Effects of weathering on the RbSr and KAr ages of biotite from the Morton Gneiss, Minnesota; 1966; Article; Journal; Earth and Planetary Science Letters; Goldich, S. S.; Gast, P. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sat, 1 Jan 1966 00:00 -0600 |
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