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Unprecedented Glacier Retreat
August 15 , 2024
18 days
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- Recent glacier retreat across the Andes is unprecedented in the history of human civilization.
- Scientists carbon-dated bedrock that had been recently exposed by the retreated glaciers by measuring beryllium-10 and carbon-14 nuclide levels and found that concentrations were nearly zero.
- These glaciers are smaller than they've been since the last interglacial period, which ended about 115,000 years ago.
- The rock hadn't been exposed during the Holocene Era, which dates back 11,700 years.
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