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GB News on MSNExtinction asteroid's impact on Earth laid bare as new map outlines 'mega ripples' on seafloorScientists have created a new 3D map of "mega ripples" on the seafloor caused by the Chicxulub asteroid impact that wiped out ...
To earn the designation, a black beach must contain a specific type of underwater rock that turns into dark sand over millions of years. Rocks in the Marin Headlands are referred to as a ...
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