Basement chronology of the Antarctic Peninsula: recurrent magmatism and anatexis in the Palaeozoic Gondwana Margin
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Millar, Ian L; Pankhurst, Robert J; Fanning, Christopher
Description
A revised pre-Jurassic chronology is presented for the Antarctic Peninsula on the basis of new U-Pb zircon dating, using both conventional (11 samples) and SHRIMP microprobe data (10 samples). The age range for plutonism and high-grade metamorphism is from 435 ±8 Ma (Silurian) to c. 206 Ma (approximately the Triassic-Jurassic boundary), with peaks of activity in Devonian, Carboniferous, Permian and mid-Triassic times, although some are represented by rocks with limited outcrops. The new data...[Show more]
Collections | ANU Research Publications |
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Date published: | 2002 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/94240 |
Source: | Journal of the Geological Society |
DOI: | 10.1144/0016-764901-020 |
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