Northern Withrow: Enigmatic basalt boulders tell the tale of a massive ancient glacier. Just north of Withrow, Washington, the pancake-flat farms and fields are dotted by massive mysterious basalt ...
A study led by scientists at the University of São Paulo (USP) in Brazil has shown that the Rio Grande Rise (RGR), a possibly continental basaltic plateau and chain of seamounts now submerged in the ...
On the banks of the Columbia River, tall columns of rock poke out from the cliffs. “So you see all of these black rocks that are on either side of us, on either side of the river? Those are basalts.
About 56 million years ago, Europe and North America began pulling apart to form what became the ever-expanding North Atlantic Ocean. Vast amounts of molten rock from Earth's mantle reached the ocean ...
The layered rocks of the Colorado Plateau—the uplifted floor of an immense, filled impact basin? Island in the Sky at Canyonlands National Park. I recently had occasion to make an extended car trip ...
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