unconformity

Example Sentences

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It echoes James Playfair’s description of the “abyss of time” he glimpsed while viewing a strata unconformity at Siccar Point in 1788, when geology was first emerging as a science.

From The Guardian • Apr. 20, 2019

An unconformity: At Mount Stimson, the rover identified from sol 980 a thick sandstone unit overlying the lake deposits, separated by a geological feature called an unconformity.

From BBC • Mar. 22, 2018

She’s revising a manuscript describing an unconformity in the sedimentary layers of Mount Sharp, within the Gale crater, a record of the alternating wet-dry cycles on the planet.

From Science Magazine • Jun. 29, 2017

This is a type of unconformity called a disconformity, where either non-deposition or erosion took place.

From Textbooks • Jan. 1, 2017

This unconformity is generally found about the same horizon in the continental Culm areas, and it occurs again in the western part of the English Culm.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various