Respuesta :
There are 3 main types of Unconformities: Disconformity, an unconformity between parallel layers; Angular Unconformity, an unconformity in which horizontally parallel strata are deposited on eroded layers; and Nonconformity, an unconformity between sedimentary rocks and metamorphic rocks.
What is Unconformity?
An unconformity is a buried erosional or non-depositional surface that separates two different-age rock masses or strata, indicating that the deposition of sediments was not continuous. The older layer was generally exposed to erosion for an interval of time before the younger layer was deposed, but the term is used to describe any break in the sedimentary geological record.
Unconformities are gaps in the geologic record that may indicate episodes of crustal deformation, erosion, and sea level variations. They are a characteristic of stratified rocks and are thus usually found in sediments (but can also be found in stratified volcanic).
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