Fossil Coral in the Amazon Basin Confirms Ancient Seaway During the Miocene

Fossil coral and marine remains unearthed deep within the Amazon rainforest reveal that parts of the basin were once submerged by shallow ocean waters during the Miocene epoch. Sediment cores from Colombia and Brazil confirm repeated, short-lived marine incursions from the Caribbean, predating the formation of the world's largest rainforest.

from International-News-Economic Times https://ift.tt/HGNw5Ef
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