Geological North Reconnaissance, St. Augustin Area, Shore, Gulf of St. Lawrence
W. E. HALE
An area of about 7,000 square miles within the eastern part of the Grenville Sub-province is underlain chiefly by granitic gneisses. There are, however, some exposures of mafic rocks which warrant further investigation, and some attractive structures, particularly basins, which deserve additional economic consideration.
Anorthosite, anorthosite, gabbro, gneisses, granitic, Gulf of St. Lawrence, Concentration, Economics, mineral, minerals, Quebec, Rock, Rocks, Structure