COLDEX is an NSF Science and Technology Center, formed in 2021, that is in search of the oldest ice in Antarctica. COLDEX has two main scientific goals: to extend the the continuous ice core record to at least 1.5 million years and to explore the record of much older, discontinuous ice core records around the Antarctic ice sheet margin. OSU Ice Core Lab founder Ed Brook is the lead PI for COLDEX and the current director.

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