Carrick Range.

This sample was forwarded from Carrick by W. Buchan. It is copper pyrites, and coutains 13.5 per cent. of metallic copper. It is at present unavailable, on account of the large quantity of fuel of good quality necessary for its extraction. F[gap — reason: illegible]. Cornwall similar ore of 5 to 10 per cent. of metallic copper is transmitted to Swansea for reduction.

Arrowtown.

This sample was forwarded from Arrowtown through Mr. Willis. It contains 11 per cent. of metallic copper, combined with sulphur and iron as copper pyrites, and containing much earthy impurities. It is too poor to be worked profitably at present.

Moke Creek.

This sample of copper pyrites was examined in September, 1873, for Mr. R. Gillies. It was obtained from Moke Creek, near Queenstown, It contains 24 per cent. of the metal, and is the best specimen of copper pyrites yet examined in this laboratory.

Another sample of copper pyrites from Moke Creek and one from Waipori forwarded by Mr. Ulrich, to be tested for gold, were found to contain that metal, apparently in payable quantity, but there was not in either case a sufficiently large quantity sent to determine the gold quantitatively.