Report on the Geology & Gold Fields of Otago
Maeruwhenua
Maeruwhenua.
This sample was forwarded by Capt. Hutton. It is hydrated sesquioxide of iron of fair quality. It yielded:—
The silica (about 20 per cent.) would require lime for its removal. Equal to 38.5 per cent. per metal.
Water | 7 per cent. |
Sesquioxide | 55 per cent. |
Earthy matter (chiefly silica) 38 per cent. |