Sm–Nd isochron from a granodiorite–granite complex in the Portman Lake region, Northwest Territories
Whole-rock samples for a granodiorite–granite intrusion in the Portman Lake area of the Northwest Territories yield an Sm–Nd isochron with an age of 2577 ± 36 Ma. The addition of a garnet analysis results in an age of 2562 ± 21 Ma. An Sm–Nd isochron is rare for granitic samples because of small rang...
Published in: | Canadian Journal of Earth Sciences |
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Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | French |
Published: |
Canadian Science Publishing
1989
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Subjects: | |
Online Access: | http://dx.doi.org/10.1139/e89-232 http://www.nrcresearchpress.com/doi/pdf/10.1139/e89-232 |