tephra
1
9.9
- noun
- /ˈtɛfrə/
- Specialized
:
tefra
- Hrsheimar's position just on top of the tephra is consistent with the earliest sites in Iceland, and radiocarbon dates confirm the site's antiquity.
Examples
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A gigantic plume spread west, enveloping southern Asia in tephra (rock, ash, and dust).
Blog text (19) -
Nonetheless, the rainfall had a devastating effect on unstable tephra-mantled slopes of siltstone.
Academic text (1991) -
Smaller tephra beds blanketed the Middle East and East Africa.
Blog text (19) -
Trees survived in these areas, but herbaceous plants were buried under deep layers of tephra.
Academic text (1997) -
That material, known as tephra, included particles of glass, crystal, and rock in assorted sizes, which were transported through the air or across the ground.
Academic text (2007) -
At this point, the force throwing the volcanic material tephra into the air diminishes and it comes crashing down.
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It seems like a place that would have discouraged settlement, but the tephra layers.
Academic text (2007) -
Not only was Taupo never a nice big mountain, but paradoxically, it is way bigger than Ruapehu in terms of volume of erupted tephra.
Blog text (34) -
The eruption also deposited tephra (i.e., solid material ejected during the eruption and transported through the air) over thousands of square kilometers.
Academic text (1997) -
During the volcanic eruption, ash and rock fragments, collectively called tephra, rained down on the surrounding area.
Synonyms
1
9.9
Material thrown out during a volcanic eruption or a meteor impact
Surface Forms
Etymology
The word tephra comes from the Greek word tephra, which means 'ash'. That's why tephra now refers to the ash, rock fragments, and other material a volcano throws out and leaves on the ground.