But something about the cratons had long puzzled geologists. Some, such as the Kaapvaal craton in southern Africa, are topped by vast plateaus that are rimmed by dramatic escarpments. But cratons ...
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1.4 billion-year-old discovery changes scientists' understanding of Earth's geographical historyThe second piece is in Kaapvaal Craton in southern Africa. Now a study published in the journal PNAS claims the formation process of these iron deposits was triggered by the breakup of the ...
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World's largest iron ore deposits formed over 1 billion years ago in supercontinent breakup(The other Archaean crust is the Kaapvaal Craton in southern Africa.) Rocks in the Pilbara Craton have witnessed the birth and breakup of several supercontinents, meaning they hold clues about the ...
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