The geology and mineral resources of the Collingwood Subdivision, Karamea Division

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Ongley, M.; Macpherson, E.O. 1923 The geology and mineral resources of the Collingwood Subdivision, Karamea Division. Wellington: DSIR. New Zealand Geological Survey bulletin 25 52 p.

Abstract: The Collingwood Subdivision occupies a roughly triangular peninsula, 204 square miles in area, in the extreme north-west of the South Island, and includes the survey districts of Onetaua, Pakawau, Paturau, and part of Wakamarama. On the south it is bounded by the Heaphy and Parapara subdivisions, on the west and north by the Tasman Sea, and on the east by Golden Bay. Two miles south of the south-east corner of the Collingwood Subdivision lie the important Parapara iron-ore deposits, for the working of which coke or coking-coal is required in quantity. Thin discontinuous seams of suitable coal have been worked intermittently in the Collingwood Subdivision since 1852; but, notwithstanding early optimistic estimates, no extensive field has been proved, and this survey was undertaken primarily to find out whether the workable coal is sufficient to supply the proposed ironworks and the near-by domestic markets of Nelson, Wellington, and Wanganui. Other economic possibilities were also investigated. (auth/EB)