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Geological History

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New Study Finds Tectonic Uplift Shaped the Twelve Apostles and Pins Their Limestone at 8.6–14 Million Years

The stacked limestones hold a clear record of past seas that can guide future climate research.

Echinus Geyser Reawakens in Yellowstone, Then Eases After Mid-February Burst

USGS Confirms Two Minor Quakes in Southern New England on Wednesday

New Study Links 56,000-Year-Old Meteor Impact to Grand Canyon Landslide Dam

World’s Largest Cliff-Top Boulder Identified in Tonga, Moved by Ancient Mega-Tsunami