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Tiny crystals capture millions of years of mountain range history – a geologist excavates the Himalayas with a microscope

  • Written by Matthew J. Kohn, Professor of Geosciences, Boise State University
Tiny crystals capture millions of years of mountain range history – a geologist excavates the Himalayas with a microscopeThis image of a single crystal shows 30 million years of geological history of the Himalayas by tracing its thorium concentration and age.Matthew J. Kohn, CC BY-NC-ND

The Himalayas stand as Earth’s highest mountain range, possibly the highest ever. How did it form? Why is it so tall?

You might think understanding big mountain ranges requires...

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