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#571536
Fri 17 Jul 2020 05:32:PM
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Joined: Feb 2001
Posts: 381,903
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 381,903 |
Information drawn from analyses of oxygen and hydrogen isotopes of materials from exposed Columbia River basalts has provided insights about how magma from volcanic eruptions millions of years ago shaped the region and why those eruptions did not trigger a global extinction event. Source: Uplifting of Columbia River basalts opens window on how region was sculpted
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