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Volume 43, 1910
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Paper.—“The Geology of Scinde Island, with special reference to the Composition and Origin of certain Layers in the Napier Hills,”

The various materials entering into the composition of the Napier rocks were described in connection with the succession of strata observed. Special attention was called to the variety of clays found in close apposition with the limestone, both upper and lower.

Elevation and depression of the island as a whole, together with the chief relief features, were discussed, and suggestions made as to the origin of the sands and clays.

The succession of layers forming the highest strata was described at length: it was pointed out that these layers follow the present contours of the surface, and consist largely of materials of volcanic origin. Their composition and probable mode of deposition were described.

The origin of the shingle so abundant on the shores of the island and interbedded in it or its neighbourhood was discussed in connection with the evidences of glaciation; and typical fossils were named as affording a clue to the age of the Napier rocks.

The various features were illustrated by a number of specially prepared slides.