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columnar structure |
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columnar structure [kə′ləm·nər ‚strək·chər] (geology) (mineralogy) Mineral structure consisting of parallel columns of slender prismatic crystals. (petrology) A primary sedimentary structure consisting of columns arranged perpendicular to the bedding. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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360) has compared the fissures by which the columnar structure seems to be determined, to the joints that traverse nearly all rocks, but which are best seen in the non-stratified masses. |
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