The contact between the breccia and the underlying granite is an example of angular unconformity.
Angular conformity usually take place when strata of sedimentary rock are deposited and tilted on another layer where the upper layer is younger compare to lower layer. The unconformity could represent the period of time where there no preserved sediments in s region.
This is the type of unconformity where deposition of tilted and eroded surface layers separates horizontally parallel strata of sedimentary rock.In an angular unconformity, the eroded rock is tilted or folded. it is also a type of separation that is present between the younger rocks and the older rocks units.
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