Researchers uncover a previously unknown microcontinent beneath the Davis Strait, shedding new light on Earth's geological history.
The proto-microcontinent is located offshore in the western waters of Greenland , specifically in the Davis Strait, which connects the Labrador Sea and Baffin Bay.Beneath the deep icy waters, a proto-microcontinent formed between Greenland and Canada. It is a submerged piece of continental crust about 12 to 15 miles long.
Jordan Phethean, a researcher working on the study, told Phys.org about the well-defined changes in plate motion that occur in the Labrador Sea and Baffin Bay. Detailed gravity maps helped locate mid-ocean ridges and transform faults, while seismic data provided images of the subsurface, revealing the structure and thickness of the crust.Phethean explained that the rifting required to form a microcontinent is an ongoing phenomenon, and every earthquake could play a role in the next microcontinent separation.
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