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Friday, April 26, 2024 | Back issues
Courthouse News Service Courthouse News Service

Isua in Greenland

At first glance the rocks that make up Greenland's Isua supracrustal belt look just like any modern basalt you'd find on the sea floor. But this outcrop, which was first described in the 1960s, is the oldest exposure of rocks on Earth. It is known to contain the earliest evidence of microbial life and plate tectonics. (Credit: Hanika Rizo)

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