87Sr/86Sr ratios in some eugeosynclinal sedimentary rocks and their bearing on the origin of granitic magma in orogenic belts
Earth and Planetary Science Letters
By: Z. E. Peterman, C. E. Hedge, R. G. Coleman, and P. D. Snavely Jr.
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Abstract
Rb and Sr contents and87Sr/86Sr values were determined for samples of eugeosynclinal sedimentary rocks, mostly graywackes, from Oregon and California. These data are compatible with the theory of anataxis of eugeosynclinal sedimentary rocks in orogenic belts to produce granitic magmas provided that the melting occurs within several hundreds of m.y. after sedimentation. The low (87Sr/86Sr)0 values of the eugeosynclinal sedimentary rocks are related to the significant amounts of volcanogenic detritus present which probably were originally derived from the mantle.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | 87Sr/86Sr ratios in some eugeosynclinal sedimentary rocks and their bearing on the origin of granitic magma in orogenic belts |
| Series title | Earth and Planetary Science Letters |
| DOI | 10.1016/0012-821X(67)90185-9 |
| Volume | 2 |
| Issue | 5 |
| Year Published | 1967 |
| Language | English |
| Publisher | Elsevier |
| Description | 7 p. |
| First page | 433 |
| Last page | 439 |
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