Transactions and proceedings of the New Zealand Institute . ^^D, Kiln Point. A. Phosphatic greensands. 3. Phosphate rock. C. Lime-stone. D. Glauconitic greensands. The rock-phosphate has been exposed by a long trenchsome 12 chains north of Kiln Point, but no feature of specialinterest is disclosed in this direction. At Millburn lime-quarry the surface of the Eocene lime- Park.—The Bock-phosphates of Otago. 399 stone presents the most marked irregularity. Under theinfluence of both chemical and physical erosion it has beenformed into wide basins and deep well-like holes, surmountedby overhangin
Transactions and proceedings of the New Zealand Institute . ^^D, Kiln Point. A. Phosphatic greensands. 3. Phosphate rock. C. Lime-stone. D. Glauconitic greensands. The rock-phosphate has been exposed by a long trenchsome 12 chains north of Kiln Point, but no feature of specialinterest is disclosed in this direction. At Millburn lime-quarry the surface of the Eocene lime- Park.—The Bock-phosphates of Otago. 399 stone presents the most marked irregularity. Under theinfluence of both chemical and physical erosion it has beenformed into wide basins and deep well-like holes, surmountedby overhanging knobs and spires of limestone. The basinsare filled with yellowish-brown sands, as shown in Sec-tion III. below. Section Millburn Quarry, showing surface of limestone in present Brown sands. B. Limestone. On the right side of the present quarry-face the upperhorizon of limestone has been eroded down to the lower moresandy and glauconitic horizon, on the irregular surface ofwhich there rest two small patches of rock-phosphate, asshown in Section IV. Section IV.
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