| Abstract: | Chromium, determined by neutron-activation analysis in a suite of rocks and minerals from the southern California batholith, shows Cr concentrated in the mafic differentiates, decreasing as the more felsic rocks are approached. This trend is evident for samples of the Woodson Mountain Granodiorite from a single differentiated stock. The distribution of Cr in the minerals from the rocks of the southern California batholith shows that Cr was depleted in the magma during the course of crystallization. The data indicate that the minerals were in equilibrium with the magma during crystallization, and the distribution coefficient (Cr in biotite/Cr in hornblende) is correlated with differentiation indices, indicating either temperature or compositional dependence. The average distribution coefficient (Cr in biotite/Cr in hornblende) is 1.18, which compares favorably with the average values found by other investigators for other suites. ?? 1976. |
| Genre: | Article |
| ProdID: | 70010309 |
| Citation Author: | Simon, F. O.; Rollinson, C. L. |
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| Citation End Page: | 88 |
| Citation Issue: | C |
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| Citation Language: | English |
| Citation Larger Work Title: | Chemical Geology |
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| Citation Number Of Pages: | 16 |
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| Citation Publisher: | Elsevier |
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| Citation Search Results Text: | Chromium in rocks and minerals from the southern California batholith; 1976; Article; Journal; Chemical Geology; Simon, F. O.; Rollinson, C. L. |
| Citation Start Page: | 73 |
| Citation Volume: | 17 |
| Citation Year: | 1976 |
| Type: | citation/reference |
| Text: | Chromium in rocks and minerals from the southern California batholith; 1976; Article; Journal; Chemical Geology; Simon, F. O.; Rollinson, C. L. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1016/0009-2541(76)90022-X |
| Date Other: | Thu, 1 Jan 1976 00:00 -0600 |
| Publisher: | Elsevier |
