Journal article

The tilting continent: A new constraint on the dynamic topographic field from Australia

Mike Sandiford

EARTH AND PLANETARY SCIENCE LETTERS | ELSEVIER | Published : 2007

Abstract

A pronounced latitudinal asymmetry in the present-day morphology of the Australian continental shelf is reflected in Neogene stratigraphic relationships. The northern Australian margin has a broad shelf, typically 200-500 km wide and a Neogene record of stratal onlap. Relative to the continent, sea levels are currently as high as at any stage during the Neogene. In contrast, the southern shelf is typically less than 100 km wide and shows a record of progressive offlap with Neogene palaeo-shorelines commonly many hundreds of kilometres inland, at elevations up to ∼ 250 m above present-day sea level. This continental-scale 'reciprocal' stratigraphy implies 250-300 m N-down, SSW-up apparent ver..

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University of Melbourne Researchers