The Ross orogeny was a mountain building event in Antarctica in the early Paleozoic. The ancestral (also termed proto-) Trans-Antarctic Mountains were uplifted earlier by the Beardmore orogeny but had eroded as a broad epicratonic sea flooded much of Antarctica in the Cambrian.
The Ross orogeny was a mountain building event in Antarctica in the early Paleozoic. The ancestral (also termed proto-) Trans-Antarctic Mountains were uplifted earlier by the Beardmore orogeny but had eroded as a broad epicratonic sea flooded much of Antarctica in the Cambrian.
Source: Wikipedia "Ross orogeny" · CC BY-SA 4.0
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