chonolith

/ˈtʃoʊnɒlɪθ/

Definitions

1. noun

A type of igneous intrusion that forms when magma rises through a fracture in the Earth’s crust, often resulting in the formation of a sheet or sill.

“The geologist studied the chonolith’s unique composition and structure.”

2. noun

A type of rock formation that is a sheet-like intrusion of magma into the Earth’s crust.

“The chonolith was visible in the exposed rock face.”

Synonyms

  • sheet intrusion
  • sill

Antonyms

  • plug
  • volcanic vent