The Heart of Gondwana

High in the Transantarctic Mountains, near Shackleton Glacier, the “Kukri Erosion Surface”, separates metamorphic and igneous rocks of the Ross Orogeny from flat-lying Palaeozoic sedimentary rocks of the “Beacon Supergroup”. The erosion surface is a peneplain which represents a long period of weathering and erosion before the overlying terrestrial sediments were laid down.

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