Concept information
Preferred term
unconformity
Type
-
http://www.irandoc.ac.ir/onto/irandoc-meta/Concept
Broader concept
Definitions
- A substantial break or gap in the geologic record where a rock unit is overlain by another that is not next in stratigraphic sucession, such as an interruption in continuity of a depositional sequence of sedimentary rocks or a break between eroded igneous rocks and younger sedimentary strata. It results from a change that caused deposition to cease for a considerable time, and it normally implies uplift and erosion with loss of the previous formed record.
Obsolete
- false
In other languages
-
Persian
URI
http://www.irandoc.acir/onto/irandoc/SWEETT01996
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