Word: archaean
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Dates: during 1930-1939
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...tablelands, to quote Coleman's words, "No signs of glaciation were seen above the edge of the escarpment at 970 feet (aneroid), and a walk of four or five miles inland over the rolling surface of the tableland reaching 1.908 feet (aneroid), showed only angular blocks of Archaean rock of local origin. No foreign boulders were found, and the conclusion was reached that the southern part of the Long Range had never been glaciated...