Angular unconformity
Angular unconformity refers to unconformity in which an older pack up of sediments has been inclined and trimmed by erosion and a younger pack up of sediments is placed on the erosion surface. It occurs after a tectonic event that transforms the position of the bedding prior to another process of sedimentation.
Phanerozoic
The phanerozoic is the latest eon in geology that begun about 500 million years ago and incorporates the palaeozoic era, the Mesozoic period, and the Cenozoic age. It reflects an era of visible life in which large organisms that can be seen, appeared in large amounts.
Law of superposition
The law of ...