Scientist gets the dirt on what could be the planet's oldest soil
UO geologist Greg Retallack has dirt on his hands—and at 3.7 billion years old, it might be some of the oldest dirt on Earth.
UO geologist Greg Retallack has dirt on his hands—and at 3.7 billion years old, it might be some of the oldest dirt on Earth.
Earth Sciences
Nov 8, 2018
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24
Every late winter and early spring, huge dust storms swirled across the bare and frozen landscapes of Europe during the coldest periods of the latest ice age. These paleo-tempests, which are seldom matched in our modern climate ...
Earth Sciences
Feb 1, 2021
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609
The Sahara Desert is vast, generously dusty, and surprisingly shy about its age. New research looking into what appears to be dust that the Sahara blew over to the Canary Islands is providing the first direct evidence from ...
Earth Sciences
Sep 23, 2019
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15
Noelle Purcell, a senior in the Columbian College of Arts and Science, spent the first half of her summer in northern Kenya trying to better understand the environmental context of human evolution by studying the morphology ...
Archaeology
Aug 6, 2019
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12