The Pamphlet Collection of Sir Robert Stout: Volume 75
Geological Formation
Geological Formation.
According to Sir James Hector, the main western ranges are composed of Upper Palaeozoic rocks, having at their base extensive plains of Tertiary fluviatile formation, with occasional protruding ridges of Upper Mesozoic, forming low mountain-ranges subordinate to the main axis. Banks Peninsula consists of basic volcanic rocks.