Novel technique drills more detail into ice core records

Glaciers can reveal vast archives of information about Earth’s environmental past, but deciphering the origins of the matter within them can be a challenge. Now, using a novel technique that enables researchers to directly analyze millions of individual particles at once, a new study has revealed that specks of dust trapped in Antarctic ice likely originated from a common source during the last Ice Age, between about 120,000 and 11,500 years ago.

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