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.