Reference Type | Journal (article/letter/editorial) |
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Title | Feldspars from the Meldon aplite, Devonshire, England |
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Journal | Mineralogical Magazine |
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Authors | Nawaz Chaudhry, M. | Author |
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Year | 1971 (June) | Volume | 38 |
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Issue | 294 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_38/38-294-179.pdf+ |
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DOI | doi:10.1180/minmag.1971.038.294.06Search in ResearchGate |
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| Generate Citation Formats |
Mindat Ref. ID | 6457 | Long-form Identifier | mindat:1:5:6457:0 |
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GUID | 0 |
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Full Reference | Nawaz Chaudhry, M. (1971) Feldspars from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 38 (294) 179-185 doi:10.1180/minmag.1971.038.294.06 |
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Plain Text | Nawaz Chaudhry, M. (1971) Feldspars from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 38 (294) 179-185 doi:10.1180/minmag.1971.038.294.06 |
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In | (1971, June) Mineralogical Magazine Vol. 38 (294) Mineralogical Society |
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Abstract/Notes | SummaryChemical analyses of nine K-feldspars and thirteen albites, along with their optical, physical, and X-ray data are presented. The obliquity values Δ = 12·5(d131-d13¯1) of the K-feldspars are found to be independent of the contents of silica and volatiles in the rocks. The role of temperature as the primary factor affecting the obliquity values is stressed. The relationship between the (An + Ab) content of the potassic phase of K-feldspars and 2Vα is shown diagrammatically. |
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