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Published February 1948 | Published
Journal Article Open

Ore Minerals Under the Microscope

Abstract

The student of geology in the course of his training usually passes through three stages of achievement: A first in which he learns to identify the materials with which he works; a second in which he learns to recognize the distribution of these materials in space; and a third in which, from this distribution, he interprets the geologic history of the area of the assemblage of materials. Paraphrasing this generalization into words the student himself might use, he eventually must answer these three questions: "What is it?," "Where is it?," and "How did it get that way?"

Additional Information

© 1948 California Institute of Technology.

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August 19, 2023
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