Explore the Energy Glossary

Look up terms beginning with:

dike

1. n. [Geology]

An intrusive rock that invades preexisting rocks, commonly in a tabular shape that cuts vertically or nearly vertically across preexisting layers. Dikes form from igneous and sedimentary rocks.

Synonyms: dyke

See: igneoussedimentary

Lithologic contact of dike and gneiss
Lithologic contact of dike and gneiss.

Share This