shatter cone

IPA/ʃˈatə kˈəʊn/
IPA/ʃˈæɾɚ kˈoʊn/

shatter cone — noun

  • shatter conesingular
  • shatter conesplural

1. A small cone-shaped piece of rock marked by fine lines that spread outward from

1.名詞C1
釋義

A small cone-shaped piece of rock marked by fine lines that spread outward from the pointed tip, created when extreme pressure from explosive volcanic activity or a meteorite impact fractures the ground.

例句

Dr. Imran's team found shatter cones in the desert rocks of northern Oman.

collocation: discover shatter cones

Kofi examined the shatter cone under a microscope and traced its radiating striations.

verb + object: examined the shatter cone

用法筆記

Almost always used in the plural when referring to multiple specimens at a single site. Common in discussions of impact geology and shock metamorphism.

常見錯誤

The volcano produced many shatter cones during the eruption.
The meteorite impact left shatter cones in the surrounding bedrock.
💡Shatter cones are formed by impact or explosive volcanic events, not by ordinary volcanic eruptions.