Geologists, who sometimes attack their work from strange angles, have now been climbing mountains to make a study of undersea rocks. Last week Dr. Norman D. Newell, of New York City's American Museum of Natural History and Columbia University, was studying fossil seashells he had just brought back from the Peruvian Andes. They told him about the strata (possibly oil-bearing) deep under the Amazon Basin hundreds or thousands of miles away. They also suggested that an ancient ice age once chilled the sea water right across the equator.
The Amazon region is tough to explore on the surface, and almost unknown geologically....
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