What's the difference between disconformity and unconformity?

Disconformity

Definition:

• (n.) Want of conformity or correspondence; inconsistency; disagreement.

Example Sentences:

Unconformity

Definition:

• (n.) Want of conformity; incongruity; inconsistency.
• (n.) Want of parallelism between strata in contact.

Example Sentences:

• (1) The level of L-41 is separated from quarry E by at least one major unconformity and 47 m of section.