columnar section

columnar section

[kə′ləm·nər ′sek·shən]
(geology)
A vertical strip or scale drawing of the strip taken from a given area or locality showing the sequence of the rock units and their stratigraphic relationship, and indicating the thickness, lithology, age, classification, and fossil content of the rock units. Also known as section.
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Three undisturbed sections from the studied areas were selected for the columnar sections and correlation of dimension stones.