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Definitions from the Web

Unconformity

Definition: An unconformity is a geological feature that represents a gap in the rock record, where younger sedimentary layers are deposited on top of older, eroded ones.

Example sentences:

• Scientists use unconformities to study the changes that occurred in the Earth's surface over time.
• The presence of an unconformity suggests that there was a period of erosion and non-deposition in the geological history of an area.
• The Grand Canyon exhibits several unconformities, revealing millions of years of Earth's history.

Related products:

• Geology books
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