Journal article

Controls on the locus of intraplate deformation in central Australia

M Sandiford, M Hand

EARTH AND PLANETARY SCIENCE LETTERS | ELSEVIER SCIENCE BV | Published : 1998

Abstract

The locus of intraplate deformation in central Australia changed from the presently preserved southern margin of the Amadeus Basin during the late Neoproterozoic to early Phanerozoic Petermann Orogeny to the northern margin in the late Phanerozoic Alice Springs Orogeny. Immediately prior to each event the thickness of the Amadeus basin sediments varied from as little as 1.5 km in the central parts of the basin to as much as 7 km in the vicinity of the presently preserved margins of the basin with the locus of deformation mimicking the locus of maximum sedimentary thicknesses at the onset of each orogenic event. As such these orogenies represent extreme examples of basin inversion; a process ..

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