| Reference Type | Journal (article/letter/editorial) |
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| Title | Proterozoic flood basalts from the Coppermine River area, Northwest Territories: isotope and trace element geochemistry |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Dupuy, C. | Author |
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| Michard, A. | Author |
| Dostal, J. | Author |
| Dautel, D. | Author |
| Baragar, W. R. A. | Author |
| Year | 1992 (September 1) | Volume | 29 |
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| Issue | 9 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e92-151Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 481872 | Long-form Identifier | mindat:1:5:481872:8 |
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| GUID | 0 |
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| Full Reference | Dupuy, C., Michard, A., Dostal, J., Dautel, D., Baragar, W. R. A. (1992) Proterozoic flood basalts from the Coppermine River area, Northwest Territories: isotope and trace element geochemistry. Canadian Journal of Earth Sciences, 29 (9) 1937-1943 doi:10.1139/e92-151 |
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| Plain Text | Dupuy, C., Michard, A., Dostal, J., Dautel, D., Baragar, W. R. A. (1992) Proterozoic flood basalts from the Coppermine River area, Northwest Territories: isotope and trace element geochemistry. Canadian Journal of Earth Sciences, 29 (9) 1937-1943 doi:10.1139/e92-151 |
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| In | (1992, September) Canadian Journal of Earth Sciences Vol. 29 (9) Canadian Science Publishing |
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| Abstract/Notes | The voluminous Proterozoic continental tholeiites of the Coppermine River province (Northwest Territories), which are coeval with the Mackenzie magmatic event (1.27 Ga old) and were emplaced over a short period of time (< 5 Ma), have trace element and Sr–Nd–Pb isotopic characteristics comparable to those of Phanerozoic flood basalts. The variations of the compositional parameters are inferred to be due to a mixing of at least two components: mantle and crust. In addition, the mantle component probably includes two end members. The first is a mantle plume, whereas the other represents the base of the continental lithosphere. The crustal component reflects contamination of the magma by Precambrian basement during its ascent to the surface. |
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