Columnar jointing is a geological structure where sets of intersecting closely
spaced fractures, referred to as joints, result in the formation of a regular array of
Columnar jointing definition, (in basaltic igneous rocks) a series of generally
hexagonal columns formed by vertical joints as a result of contraction during
Columnar jointing forms in lava flows, sills, dikes, ignimbrites (ashflow tuffs), and
shallow intrusions of all compositions. Most columns are straight with parallel ...
Joints are fractures in rocks, and columnar joints are a specific type of joint
pattern. ... Bates, Robert L. and Julia A. Jackson, Dictionary of Geological Terms.
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explanation free. ... Related to columnar: columnar epithelium, columnar jointing
Columnar structure synonyms, Columnar structure pronunciation, Columnar
structure ... The columns are often fractured transversely, with a cup joint,
showing a ...
Define columnar: of, relating to, resembling, or characterized by columns. ...
about columnar. Britannica English: Translation of columnar for Arabic speakers
Definition of Joint and Jointing – Our online dictionary has Joint and Jointing ...
contract as they cool, forming networks of columnar joints that divide the rock into
This glossary of geologic terms is based on the glossary in Earth: An Introduction
to ..... columnar jointing The type of jointing that breaks rock, typically basalt ...