The Jones coal prospect is located near Jones Creek, approx- imately 2 kilometres north of Carpenter Lake. The prospect consists of 15-centimetre thick lenses of lignite coal, within carbonaceous shale and associated sandstone and chert pebble conglomerate. These rocks are interbedded with crystal tuff, volcanic breccia, scoria and porphyritic dacite. The sedimentary and volcanic rock package is thought to be Tertiary (possibly Eocene) in age. The whole sequence strikes east and dips gently to the north, and rests unconformably on rocks of the Mississippian to Jurassic Bridge River Complex (Group). The lignite, although very limited in extent is of high quality. The following analysis is reported: moisture, 8.1 per cent; ash, 5.6 per cent; volatile matter, 33.6 per cent and fixed carbon, 52.7 per cent (Minister of Mines Annual Report 1910, page 137).