| Reference Type | Journal (article/letter/editorial) |
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| Title | Origin of quartzofeldspathic gneisses at Montauban-les-Mines, Quebec |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Prabhu, M. K. | Author |
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| Webber, G. R. | Author |
| Year | 1984 (March 1) | Volume | 21 |
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| Issue | 3 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e84-035Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 478211 | Long-form Identifier | mindat:1:5:478211:1 |
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| GUID | 0 |
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| Full Reference | Prabhu, M. K., Webber, G. R. (1984) Origin of quartzofeldspathic gneisses at Montauban-les-Mines, Quebec. Canadian Journal of Earth Sciences, 21 (3) 336-345 doi:10.1139/e84-035 |
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| Plain Text | Prabhu, M. K., Webber, G. R. (1984) Origin of quartzofeldspathic gneisses at Montauban-les-Mines, Quebec. Canadian Journal of Earth Sciences, 21 (3) 336-345 doi:10.1139/e84-035 |
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| In | (1984, March) Canadian Journal of Earth Sciences Vol. 21 (3) Canadian Science Publishing |
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| Abstract/Notes | Quartzofeldspathic gneisses near zinc–lead–gold mineral deposits at Montauban-les-Mines, Quebec, have been examined geochemically to determine whether their protoliths were dominantly sedimentary or igneous. The gneisses are generally similar in average compositions to both rhyolitic rocks and sandstones (greywackes in particular). The most useful methods of protolith discrimination were found to be: (1) log (SiO2/Al2O3) versus log [(CaO + Na2O)/K2O]; (2) Niggli si versus mg; (3) normative quartz; (4) Shaw's discriminant function. Application of these criteria indicates that the Montauban quartzo-feldspathic gneisses were derived dominantly from quartzose sandstone or greywacke protoliths (or both). |
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