The geological process by which rock is broken into angular fragments that become cemented together into breccia.
From brecciate plus the noun-forming suffix -ion. This technical geological term describes the mechanism that creates brecciated rock formations.
Brecciation is a geological signature that tells us something catastrophic happened—geologists can read the patterns of breccia to understand ancient earthquakes, meteorite impacts, or even the violence of volcanic eruptions from millions of years ago.
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