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Contrasted morphologies of the Western and Eastern Piedmonts of the Mt Lofty Ranges, South Australia

The Mt Lofty Ranges is a horst that evolved in two stages. The western margin developed as part of the South Australian Shatter Belt during the separation of Australia and Antarctica. Gulf St Vincent formed at this time. Though recurrently active the upland dates essentially from the Early Eocene with major uplift in the later Cenozoic. By contrast, the eastern faulted margin postdates the Middle …