Publication Date:
1870-02-01
Description:
Turning now to the physical evidence, it is well known that the Moel Tryfaen bed is 1390 feet above the sea-level; and a depression which would bring the sea up to that point would, unless we suppose a great change in the relative elevations, place the Chalk many hundreds of feet beneath the sea.
Print ISSN:
0016-7568
Electronic ISSN:
1469-5081
Topics:
Geosciences