Archaean to Proterozoic crustal evolution of the Stillwell Hills - Oygarden Group coastline Home> Scientific research> Science projects database> Archaean to Proterozoic crustal evolution of the Stillwell Hills - Oygarden Group coastline Project information CLARKE, Prof. Geoffrey (Geoff) University of Sydney Oygarden, Stillwell Hills, Mawson, Australia (or home country) This content was last updated 22 years ago on 18 May 2004.