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Not the meteorite itself, but ejecta: shrapnel hurled out from the impact site.
2
Calderas marched across his view, the terrain tortured and broken with faults and ejecta.
3
This ejecta would thrust the asteroid in the opposite direction.
4
An ejecta of lava spew shot back and hit the underside of the lander.
5
New island chains, frequently arc shaped, had been created by ejecta and by volcanic activity.
Использование термина tephra на английском
1
This is already an island building up around the vent as the volcanic tephra piles up.
2
While the tephra has gradually washed away over the years, the hard lava core has proved far more resilient.
3
They are constructed of loose piles of volcanic debris (tephra) and lava flows on relatively steep slopes.
4
It consisted of roughly two-thirds tephra (rock fragments thrown up during an eruption) and one-third rapidly cooling lava.
5
Vigorous eruptions of steam and tephra were accompanied by an enhancement of the normal fine-weather potential gradient, and lightning was often observed.