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unconformity

unconformity Surface of contact between two groups of unconformable strata, which represents a hiatus in the geologic record due to a combination of erosion and a cessation of sedimentation. Compare diastem. See also ANGULAR UNCONFORMITY; and DISCONFORMITY.

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unconformity

unconformity In geology, break in the time sequence of rocks layered one above the other. The gap may be caused by interruptions in the deposition of sediment, ancient erosion, earth movements, or other activity.

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"unconformity." World Encyclopedia. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

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"unconformity." World Encyclopedia. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/unconformity