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pressure cone

 - 3 dictionary results

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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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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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