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Holocene Epoch - Deep oceanic deposits

How far did some foraminiferans migrate as ocean waters warmed during the Holocene?

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A detailed geologic time scale chart displaying Earth's history from the Hadean Eon over 4.5 billion years ago to the present, organized by eons, eras, periods, epochs, and ages with color-coded columns and corresponding dates in millions of years. — Holocene Epoch The stratigraphic chart of geologic time.

As ocean waters warmed during the Holocene, many foraminiferans migrated poleward by distances ranging from 1,000 to 3,000 kilometres to remain within their optimal temperature habitats.1