Download or read book A Geologic Time Scale 1989 written by Walter Brian Harland and published by Cambridge University Press. This book was released on 1990-06-29 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concentrated review of the time scales used in geology in order to date stratigraphic sequences and to define geological epochs. It is the planned successor to "A Geologic Timescale" and adopts the same style and employs similar methods.