shatter cone

shatter cone

noun Geology.
a small, radially striated rock structure produced by intense shock, such as generated by meteorite impact.
Also called pressure cone.


Origin:
1945–50

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
shatter cone   (shāt'ər)  Pronunciation Key 
A fractured, conical fragment of rock that has striations radiating outward from the apex. Shatter cones are believed to form when rocks are subjected to shock waves associated with a meteoric impact. They are typically between a few centimeters and a few meters long.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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