Unconformity n. : Want of conformity; incongruity; inconsistency.

Unconformity n. : Want of parallelism between strata in contact.

Example:
What problem does an Unconformity present?

Taxonomy
Angular unconformity, disconformity, sedimentary rock, nonconformity, rocks, free encyclopedia, Paraconformity, bedding plane, igneous rock, erosion surface, layer, fossil coral reef, time interval, geologic record, coral, two rock, strata, search.

Defination from the web: