| Abstract: | The mineral assemblage biotite-garnet-muscovite-magnetite-quartz and its sub-sets are common in many peraluminous granites, schists and gneisses. If the biotite and garnet are reasonably iron-rich, then the system is a useful buffer for fO2. Available thermochemical data indicate that, in T-fO2 space, the buffer curve is located between the hematite-magnetite curve and the quartz-magnetite-fayalite curve, in a region that previously had no buffer curve applicable to peraluminous rocks. -J.A.Z. |
| Genre: | Article |
| ProdID: | 70013460 |
| Citation Author: | Zen, E. |
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| Citation End Page: | 73 |
| Citation Issue: | 1-2 |
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| Citation Language: | English |
| Citation Larger Work Title: | American Mineralogist |
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| Citation Number Of Pages: | 9 |
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| Citation Search Results Text: | An oxygen buffer for some peraluminous granites and metamorphic rocks.; 1985; Article; Journal; American Mineralogist; Zen, E. |
| Citation Start Page: | 65 |
| Citation Volume: | 70 |
| Citation Year: | 1985 |
| Type: | citation/reference |
| Text: | An oxygen buffer for some peraluminous granites and metamorphic rocks.; 1985; Article; Journal; American Mineralogist; Zen, E. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1985 00:00 -0600 |
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