Derek Victor Ager Quote

This may be called the 'Phenomenon of the Catastrophic Nature of the Stratigraphical Record'


The Nature of the Stratigraphical Record, 3rd edn. (1993)


This may be called the 'Phenomenon of the Catastrophic Nature of the Stratigraphical Record'

This may be called the 'Phenomenon of the Catastrophic Nature of the Stratigraphical Record'

This may be called the 'Phenomenon of the Catastrophic Nature of the Stratigraphical Record'

This may be called the 'Phenomenon of the Catastrophic Nature of the Stratigraphical Record'