shatter cone


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shatter cone

n.
A conical fragment of rock that is formed from the high pressure of volcanism or meteorite impact and has striations radiating from the apex.
References in periodicals archive ?
Hauff released several more tunes over the last four years including Shatter Cone on Lux Rec, Return to Disorder on Panzerkreuz Records, a split EP with Andreas Gehm on Solar One, and two more Black Sites records.
With backpacks and sampling tools in hand, the group went hiking the rocky hills around Onaping, on the north end of the basin, observing shatter cones and breccia formations formed from the meteorite that struck Earth at the site of Sudbury, some 1.85 billion years ago.
From geology Macdougall brings in impact ejecta blankets, shatter cones, shock-induced high-pressure minerals, fossil meteorites in Sweden, and the "smoking gun" of the end Cretaceous impact, Chicxulub crater, now buried beneath sediments of the Yucatan Peninsula of Mexico.
Another method of approximating [D.sub.cp] is to measure the diameter of the area over which shatter cones are present.
The most dramatic metaphor for what has been accomplished is that in 1971, Apollo astronauts came to Sudbury to study geology (namely shatter cones and impact breccia).
At pressures >2-3 GPa, conical fractures characteristic of impact, known as shatter cones, form as target rock fails (e.g.
The sketch suggests a pattern of "shatter cones," which are evidence of a massive meteorite that created the Sudbury Basin eons ago.