noun Date: 1933 a conical fragment of rock that has striations radiating from the apex and that is formed by high pressure (as from volcanism or meteorite impact)
SHATTER CONE
Meaning of SHATTER CONE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012