Ballistic Projectile
Ballistic Projectile :
A ballistic projectile is a rock fragment that is ejected from a volcanic vent at high velocity and follows a ballistic trajectory (i.e. travels like a cannonball from a cannon). These rocks are called blocks if they were solid at the time they were fragmented and bombs if they were liquid. They usually land within 2 km of the vent but can travel as far as 5 km, or even further if the eruption is very explosive
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