| Reference Type | Journal (article/letter/editorial) |
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| Title | Evidence from feldspar compositions of high temperatures in granite sheets in the Scourian complex, N.W. Scotland |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Rollinson, Hugh R. | Author |
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| Year | 1982 (March) | Volume | 46 |
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| Issue | 338 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_46/46-338-73.pdf+ |
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| DOI | doi:10.1180/minmag.1982.046.338.12Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3357 | Long-form Identifier | mindat:1:5:3357:6 |
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| GUID | 0 |
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| Full Reference | Rollinson, Hugh R. (1982) Evidence from feldspar compositions of high temperatures in granite sheets in the Scourian complex, N.W. Scotland. Mineralogical Magazine, 46 (338) 73-76 doi:10.1180/minmag.1982.046.338.12 |
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| Plain Text | Rollinson, Hugh R. (1982) Evidence from feldspar compositions of high temperatures in granite sheets in the Scourian complex, N.W. Scotland. Mineralogical Magazine, 46 (338) 73-76 doi:10.1180/minmag.1982.046.338.12 |
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| In | (1982, March) Mineralogical Magazine Vol. 46 (338) Mineralogical Society |
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| Abstract/Notes | AbstractMesoperthite feldspars from hypersolvus granites, with granulite-facies mineralogy from the Scourian complex, N.W. Scotland have an average bulk composition of (Ab0.58Or0.42)88An12. The mesoperthites have an Ab/Or ratio close to the critical composition of the alkali feldspar solvus for anorthite-free compositions. The critical temperature of the ternary feldspar solvus is estimated at high anorthite contents and used to indicate a temperature in excess of 1000°C for the crystallization of the granite sheets prior to granulite-facies metamorphism and permits a maximum water content in the melt of 1%. |
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