In one, a broken-off edge of ancient seafloor fell between the predecessor of the Nazca plate and the part of the ancient supercontinent Gondwana that became South America some 250 million years ago.
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An odd phenomenon called lithospheric dripping might occur wherever mountains form. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...
Around 200 million years ago (Ma or mega-annum in the reconstruction), when the dinosaurs walked the earth, Gondwana linked with North America, Europe, and northern Asia to form a large supercontinent ...