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The AAPG/Datapages Combined Publications Database
AAPG Special Volumes
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The author of the drift theory discusses geological climate in the United States and points out that one of the objections to his conception of land distribution, namely, the assertion of the presence of glacial deposits within his tropical belts, is not justifiable inasmuch as it is not positively known that so-called glacial deposits were really glacial. An advantage the drift theory has over all other geological theories is its susceptibility to verification by astronomical observations. Exact research is now being conducted that will throw more light on the theory.
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