On Kings Creek, 71⁄2 miles above its junction with the Matanuska, coal seams are cut by the creek. They were measured on both sides by Martin and the writers. Section in tunnel on east bank of Kings Creek, 100 yards above upper bridge. Section on Kings Creek at the upper bridge, west side. Strike N. 42° W. (magnetic), dip 42° NE. Except the upper 2 feet 2 inches of coal, the section corresponds to that of Martin. A short distance upstream from the exposure on the east side the sandstone beds are considerably disturbed. Folding or faulting, or possibly both, have occurred. The writers were not able to visit the coal on Young Creek. Martin says: The coal on Young Creek is of intermediate character between that on Kings and Chickaloon creeks and south of the Matanuska and that in the west end of the field on Eska and Tsadaka creeks. It is reported that one or more seams of workable thickness have been found, but the following is all that was seen by the writer: Shale Sandstone Shale Sandstone Shale Coal a Shale Section on west bank of Young Creek; elevation, 1,585 feet. Ft. in. Ft. in. 10 2 4 1 4 1 15 The coal of what has been termed the western district-that occurring on Tsadaka and Eska creeks-is a bituminous coal of low grade. Its physical properties are much the same as those of the coals farther east. Most of it is bright and hard, though dull, shaly On Eska Creek the following sections were bands are numerous. measured: Section on west bank of Eska Creek; elevation, 875 feet. Section on west bank of Eska Creek, about 300 feet farther up. Shale roof. Coal a Shale. Coal.. Shale. Coal. Shale... Coal. Shale. Coal.... Soft black shale. Dip NW. Section on Eska Creek, about 600 feet above lower section. Shale and sandstone. Coal.... Dip 32° SE. Section in bluff on west bank of Eska Creek; elevation, 1,030 feet. Ft. in. 3 3 3 11 5 6 6 4 1 70 Ft. in. 26 1+ Black shale Coaly shale. Coal, shaly Coal Shale with some coal. Coal Shale.. A fault cuts the bluff in which this section was measured. The coal was measured above it. southeast. Below it the strike is northeast and dip • Included in sample No. 19; see analyses, pp. 60, 62. |