Abstract
Results of an AFT study on basement rocks of Oates Land (northern Victoria Land: NVL, Antarctica) indicate a three stage thermal evolution since the Jurassic. The first episode, during the Late Jurassic (~180 ± 10 Ma), was probably associated with the Ferrar Event which marks the initial break-up of Gondwana. These thermal event caused different annealing in the basement of Oates Land. The second thermal overprint is related to the initiation of separation of Antarctica and Australia/Tasmania starting in mid Cretaceous times (~110 Ma). Since the Cenozoic the final denudation/uplift of the Transantarctic Mountains (TAM) along the area of the Rennick Graben has occurred with an apparent amount of ~4 up to 5km.
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