| Reference Type | Journal (article/letter/editorial) |
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| Title | Nd evidence for extensive Archean basement in the western Churchill Province, Canada |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Frost, C. D. | Author |
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| Burwash, R. A. | Author |
| Year | 1986 (September 1) | Volume | 23 |
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| Issue | 9 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e86-135Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 479224 | Long-form Identifier | mindat:1:5:479224:0 |
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| GUID | 0 |
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| Full Reference | Frost, C. D., Burwash, R. A. (1986) Nd evidence for extensive Archean basement in the western Churchill Province, Canada. Canadian Journal of Earth Sciences, 23 (9) 1433-1437 doi:10.1139/e86-135 |
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| Plain Text | Frost, C. D., Burwash, R. A. (1986) Nd evidence for extensive Archean basement in the western Churchill Province, Canada. Canadian Journal of Earth Sciences, 23 (9) 1433-1437 doi:10.1139/e86-135 |
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| In | (1986, September) Canadian Journal of Earth Sciences Vol. 23 (9) Canadian Science Publishing |
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| Abstract/Notes | To determine the extent of reworked Archean crust in the western Churchill Province, we have examined Sm–Nd crustal residence ages of basement cores in southern Alberta and southwestern Saskatchewan along with crustal residence ages calculated for other Sm–Nd data available from the Churchill Province. The deep drill hole samples from the Interior Platform give Sm–Nd crustal residence ages that average 2.8 Ga. Granulites from northeastern Alberta and composite gneisses from northern Saskatchewan also provide Archean crustal residence ages. These data demonstrate that the presence of reworked Archean crust in the western Churchill Province is more widespread than has been confirmed previously. We suggest that Sm–Nd crustal residence ages are valuable estimates of crust formation times, especially in orogenic areas where other isotope systems have been disturbed. |
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