A study of the basic igneous rocks of the Lower Proterozoic of north-western Queensland with special reference to their metamorphism and metasomatism in relations to geological sequence of events

Abstract

The North-western Queensland region has a moderate to rugged relief ( Plate III, Figs. 1 and 2), and the Precambrian rocks under review crop out over about 16,000 square miles, Cloncurry and Mt. Isa are the main centres, Cloncurry is situated about 210 miles south of the Gulf of Carpenteria and about 450 miles west of Townsville, and approximately 1,300 air route miles from Canberra via Sydney. Access in the region is generally poor and all of the work was done using a 4-wheel drive vehicle adapted for cross country work and camping (Plate IV, Figs. 1 and 2). (First paragraph of Introduction.)