The age and palaeomagnetism of Jurassic dykes, western Dronning Maud Land: implications for Gondwana breakup
New 40 Ar/ 39 Ar data from dykes intruded into Sverdrupfjella and Ahlmanryggen, Dronning Maud Land, Antarctica, indicate that dyke emplacement commenced at c . 207 Ma and lasted until c . 178 Ma. Whereas the ages ascribed to the Karoo-age magmatism contributing to Gondwana breakup are typically infe...
Main Authors: | , , , , , , , |
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Format: | Article in Journal/Newspaper |
Language: | unknown |
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Geological Society of London
2021
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Online Access: | https://dx.doi.org/10.6084/m9.figshare.c.5612838.v1 https://geolsoc.figshare.com/collections/The_age_and_palaeomagnetism_of_Jurassic_dykes_western_Dronning_Maud_Land_implications_for_Gondwana_breakup/5612838/1 |