1921.] 
Departmental Reports. 
19 
Capleston. On the northern side of Boatman Creek, 7 or 8 chains down¬ 
stream from the Capleston Bridge, an adit is driven on this seam, here 10 ft. 
to 12 ft. thick. The tunnel in coal 5 ft. to 7 ft. thick on the opposite side 
of the stream is on the same seam. The overlying strata here consist 
chiefly of sandstone and grit, but a few chains down-stream are concealed 
Sketch-map showing the Outcrop Portion oe the Reefton Coalfield. 
(The coal-measures are hatched, and the coal-outcrops are shown in black. Faults 
are not shown.) 
by gravels. The underlying beds consist mainly of massive layers of 
coarse grit and of quartz-grevwacke-conglomerate about 1,000 ft. thick. 
At horizons 150 ft. and 200 ft. below the 5 ft. coal-seam are bands of 
carbonaceous shale 3 ft. to 4 ft. thick, the lower containing 1 ft. of coal. 
These bands may be traced southward along the face of the hills into Flower 
Creek, a small stream about 25 chains south of Boatman Creek. Here 
