A Geological depression was a geological feature potentially formed by an asteroid impact. A large asteroid struck Terra Nova in the 2080s, leaving an impact crater which which qualified as a geologic depression. (ENT: "Terra Nova")
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A Geological depression was a geological feature potentially formed by an asteroid impact. A large asteroid struck Terra Nova in the 2080s, leaving an impact crater which which qualified as a geologic depression. (ENT: "Terra Nova")