Co-existing pyroxenes : Some causes of variation and anomalies in the optically derived compositional tie-lines, with particular reference to charnockitic rocks
By: Wilson, Allan F
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Material type: 
ArticleDescription: 1-17p ; Illustration.Subject(s): Charnockitic rocks - Australia | Pyroxene group - Australia | Mineralogy - Australia | Petrology - Australia | Geothermal history of rock - Australia
In:
Geological magazine : Vol 97 Iss. 1-6 Year. 1960Summary: Abstract
Available data from charnockitic rocks (including twenty-eight new pyroxene pairs fromAustralia) suggest that a major cause of variation in optically derived compositional tie-line trends of co-existing pyroxenes is related to the geothermal history of the rocks concerned. It may yet be possible to subdivide the granulite facies, and also to detect mineral instability by critical study of tie-line trends. Recommendations are made whereby mineralogic and structural studies of charnockitic rocks can be integrated to yield more reliable chemical and optical data.
| Item type | Current location | Collection | Call number | Status | Date due | Barcode |
|---|---|---|---|---|---|---|
Article
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Library and Information Centre Periodical Section | Bound Journal Collection | Not for loan | 002545_01 | ||
Serials/Scientific Journal
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Library and Information Centre Periodical Section | Bound Journal Collection | 550 GEO (Browse shelf) | Damaged | 002545 |
Abstract
Available data from charnockitic rocks (including twenty-eight new pyroxene pairs fromAustralia) suggest that a major cause of variation in optically derived compositional tie-line trends of co-existing pyroxenes is related to the geothermal history of the rocks concerned. It may yet be possible to subdivide the granulite facies, and also to detect mineral instability by critical study of tie-line trends. Recommendations are made whereby mineralogic and structural studies of charnockitic rocks can be integrated to yield more reliable chemical and optical data.
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