Mineral resources . ive copper. At 170 feet copper and iron pyrites occur in soft slate;signs of enrichment visible in the black powdery subsulphide coating, chalco-pyrite. The gross weight of ore despatched by the discoverer totalled 63^4 tons,and returned an average of 28 per cent, of copper. About 17 tons of dressed ore at mine about 10 per cent, grade, seconds2 to 3 per cent. In 1909 development work was carried on, but owing to the great influxof water while sinking a winze work was temporarily discontinued. About46 tons of ore were disposed of to the Great Cobar, Limited, from which 4%to

Mineral resources . ive copper. At 170 feet copper and iron pyrites occur in soft slate;signs of enrichment visible in the black powdery subsulphide coating, chalco-pyrite. The gross weight of ore despatched by the discoverer totalled 63^4 tons,and returned an average of 28 per cent, of copper. About 17 tons of dressed ore at mine about 10 per cent, grade, seconds2 to 3 per cent. In 1909 development work was carried on, but owing to the great influxof water while sinking a winze work was temporarily discontinued. About46 tons of ore were disposed of to the Great Cobar, Limited, from which 4%to Stock Photo
Preview

Image details

Contributor:

The Reading Room / Alamy Stock Photo

Image ID:

2AJ4413

File size:

7.1 MB (167.8 KB Compressed download)

Releases:

Model - no | Property - noDo I need a release?

Dimensions:

1531 x 1632 px | 25.9 x 27.6 cm | 10.2 x 10.9 inches | 150dpi

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

Mineral resources . ive copper. At 170 feet copper and iron pyrites occur in soft slate;signs of enrichment visible in the black powdery subsulphide coating, chalco-pyrite. The gross weight of ore despatched by the discoverer totalled 63^4 tons, and returned an average of 28 per cent, of copper. About 17 tons of dressed ore at mine about 10 per cent, grade, seconds2 to 3 per cent. In 1909 development work was carried on, but owing to the great influxof water while sinking a winze work was temporarily discontinued. About46 tons of ore were disposed of to the Great Cobar, Limited, from which 4%tons of copper were obtained, valued at £274. By the close of 1910 the main shaft had been sunk to a depth of 300 feet.155 tons of ore were sold to Great Cobar, Limited, for a return of £1, 132. * T. S. Oldfield, Report for 1913 to Chief Inspector of Mines.f Mineral Resources, Dept. Mines, N.S. Wales, No. 6 (190S Edition), pp. 196, 197. TE TRANSVERSE SEC1 main prn Mine ManagersPlan ^1 I Plan of Levels <2 2P ff Feet. CANBELEGO COPPER MINE TRANSVERSE SECTION ONLINE 1! LONGITUDINAL SECTION ON LINE CI)MAIN SHAFT Scull i !£. 9 I. .1 MAIN SHAFT A ^ I Taken from Mine ManagersPlan Plan of Levels Bull f> f Feet

Search stock photos by tags