impactite


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impactite

[′im‚pak‚tīt]
(geology)
Glassy fused rock or meteor fragments resulting from heat of impact of a meteor on the earth.
References in periodicals archive ?
Impactites are thought to be products of the impact of large extraterrestrial objects against the earth.
The fact that the craters have survived the shifting sands of the Rub' al-Khali is due solely to impactite glass and instant rock that mantle the crater rims and walls and resist scouring by the wind.
Connues sous le nom de tectites ou impactites il s'agit de billes de sables de quartz et de yerres de silice accompagnant les crateres d'impact par des formations coniques extemes (shatter-cones) recouvertes de stries rayonnantes.