Rb-Sr geochronology of Graham Land, Antarctica
Thirty-five new Rb-Sr whole-rock and mineral isochrons are reported for igneous rocks from Graham Land. Magmatism was essentially continuous but peaks of activity occurred in early Jurassic, early Cretaceous, late Cretaceous and Eocene times. The oldest dated granite is Triassic (209 ± 3 Ma). Volcan...
Published in: | Journal of the Geological Society |
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Format: | Article in Journal/Newspaper |
Language: | unknown |
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Geological Society of London
1982
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Online Access: | http://nora.nerc.ac.uk/id/eprint/524449/ https://doi.org/10.1144/gsjgs.139.6.0701 |