Greenstone Point [SEP] continent
Greenstone Point
Greenstone Point () is a high rock spur along the north front of the Jones Mountains of Antarctica, immediately east of Austin Valley. It was mapped by the University of Minnesota – Jones Mountains Party, 1960–61, and so named by them because of the greenish color of the rock.
Temagami Greenstone Belt
The Temagami Greenstone Belt (TGB) is a small 2.7 billion year old greenstone belt in the Temagami region of Northeastern Ontario, Canada. It represents a feature of the Superior craton, an ancient and stable part of the Earth's lithosphere that forms the core of the North American continent and Canadian Shield. The belt is composed of metamorphosed volcanic rocks that range in composition from basalt to rhyolite. These form the east-northeast trend of the belt and are overlain by metamorphosed sedimentary rocks. They were