Hanley, L; Wingate, M
The Antrim Plateau Volcanics. Australia's largest Phanerozoic flood-basalt province, originally covered an area of at least 300 000 km2 across northern Australia. Stratigraphic constraints indicate that the Antrim Plateau Volcanics are of Early Cambrian age (ca 545-509 Ma), although previous attempts to date the Antrim basalts by radiometric methods have been inconclusive. We present an ion microprobe U-Pb zircon age of 513 = 12 Ma for the Ο250 km-long Milliwindi dolerite dyke in the west...[Show more]
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