| Reference Type | Journal (article/letter/editorial) |
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| Title | Equilibria in the Mg-rich part of the pyroxene quadrilateral |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Jenner, G. A. | Author |
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| Green, D. H. | Author |
| Year | 1983 (June) | Volume | 47 |
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| Issue | 343 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_47/47-343-153.pdf+ |
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| DOI | doi:10.1180/minmag.1983.047.343.05Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3495 | Long-form Identifier | mindat:1:5:3495:5 |
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| GUID | 0 |
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| Full Reference | Jenner, G. A., Green, D. H. (1983) Equilibria in the Mg-rich part of the pyroxene quadrilateral. Mineralogical Magazine, 47 (343) 153-160 doi:10.1180/minmag.1983.047.343.05 |
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| Plain Text | Jenner, G. A., Green, D. H. (1983) Equilibria in the Mg-rich part of the pyroxene quadrilateral. Mineralogical Magazine, 47 (343) 153-160 doi:10.1180/minmag.1983.047.343.05 |
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| In | (1983, June) Mineralogical Magazine Vol. 47 (343) Mineralogical Society |
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| Abstract/Notes | AbstractPyroxene phase relations in the Mg-rich corner of the pyroxene quadrilateral, at 1 atmosphere, have been reinvestigated. Experimental studies on sixteen selected compositions in the systems CMS and CFMS were undertaken in the temperature range 1100–1400 °C. The results of this study clarify our understanding of the pyroxene stability relations at low pressure. In particular, the demonstration that there is a high-temperature stability field of orthoenstatite denies the existence of a stable (or real) invariant point defined by the reactions OE = PE + DI, PE + DI = PI, and OE + DI = PI, in the system CaMgSi2O6-Mg2Si2O6. New phase relations, consistent with the experimental findings of this and other studies, for the Mg-rich corner of the pyroxene quadrilateral are presented. These new phase relations may be of use in interpreting the origin of volcanic rocks containing magnesian pigeonite. |
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