railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Miscellaneous Material
An unconformity is
1
A surface of erosion or non-deposition as detected in a sequence of rocks
2
A type of joints especially associated with folded and faulted rocks
3
A layer of clay or shale in an igneous mass
4
A layer of boulders and pabbles in a sequence of rocks