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Geology of the Provinces of Canterbury and Westland, New Zealand : a report comprising the results of official explorations

Age and Thickness

page 264

Age and Thickness.

This combination of strata, which is of great thickness, resembles in many respects the rocks found in the Nelson Province, which form amongst other ranges, the Mount Arthur range. The latter has yielded fossils of old palæozoic, probably silurian, age. In some of the slates from the Waihao, traces of fossils are observable, but too faint forrecognition. In some sections where the strike and dip are constant, I have travelled nearly ten miles without finding any change, from which we might assume that this formation is at least 40,000 feet in thickness. However, it is very possible that a reduplication of the strata has taken place here and there, which has become effaced, or was not observed by me, in which case the thickness of the formation would be much less.