Changes

Sheet-shaped [[igneous rock|igneous]] [[intrusion]]. Cuts across existing [[rock]] structures.

A '''dike''' is a sheet-shaped [[igneous rock|igneous]] [[intrusion]]. Cuts across existing [[rock]] structures.

Pellant, p. 250

Pellant, p. 250

=Sources=

==Sources==

*Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995)

*Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995)

[[category:geology]]

[[category:Volcanology]]