Lead isochron dating of the Seton Formation, East Arm of Great Slave Lake, Northwest Territories
Dating of "spilitic" basalts from the Proterozoic Seton Formation by the Pb/Pb method yields an age of 1804 ± 23 Ma (2σ), in excellent agreement with Rb–Sr data on the same rocks, when the latter ages are calculated with currently accepted decay constants. It seems unlikely that spilitizat...
Published in: | Canadian Journal of Earth Sciences |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Canadian Science Publishing
1980
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Online Access: | http://dx.doi.org/10.1139/e80-167 http://www.nrcresearchpress.com/doi/pdf/10.1139/e80-167 |