Definition of Unconformity

a geological occurrence in which there is erosion of rock and then new sedimentary rock is deposited on top

Examples of Unconformity in a sentence

The geologist explained that an unconformity shows the time during which no sediments were well-kept in an area.  🔊

A large gap in the rocks patterns means there was probably a great period of erosion during that time.  🔊

Erosion through wind and water created an unconformity on the land and washed away a thousand years’ worth of geological records.  🔊

The unconformity on the top of the rock represents a time when no sediment was deposited, but instead was washed away.  🔊

All the sandstone in the unconformity of the granite was covered with rock that is much newer.  🔊

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