Definition of astrobleme in English:
An eroded remnant of a large crater made by the impact of a meteorite or comet.
- Large craters, called astroblemes, are frequently hidden by the earth's own natural processes.
- Although relatively young meteorite impact craters have been identified in Argentina and Chile, these two Brazilian structures are the first ancient astroblemes to be reported from South America.
- Dating back 2.023 million years, the Dome is the oldest astrobleme still visible on earth and site of the world's greatest known single energy release.
Mid 20th century: from Greek astron 'star' + blēma 'wound'.
Definition of astrobleme in:
- British & World English dictionary
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