Edward Hitchcock classroom lecture notes, "Gold Formation"
Description:
Geology lecture notes by Edward Hitchcock focused primarily on theories of geological change. Hitchcock discusses some current causes of these changes, including rain, thaws, volcanoes, and others. Volcanoes are discuseed in depth. He then goes on to list some of the current theories about the causes of geological change, listing some objections to them. He ends with a theory by Poulette Scrope, [M.L.] Cordier, and others, that Earth's core is liquid because of heat, and lists some of the evidence in favor of this theory as well as some objections to the theory.
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