26 ECONOMIC GEOLOGY OF AMITY QUADRANGLE, PA. 
Section ofMauch Chunk formation in the A. C. Mitchell well, West Pike Run Township. 
Feci. 
Slate 29 
Red rock 10 
Slate 10 
Red rock 15 
Lime 11 
Slate 15 
Little lime 8 
Lime, red 17 
Lime, white. Big lime 45 
160 
Sand, Big Injun. 
Section of Mauch Chunk formation in the J . L. Thompson No. 5 well (4$), borough of 
Deemston. 
Feet. 
Slate, white 20 
Red rock 5 
Pink rock. 52 
Red iock 35 
Slate 15 
Little lime 10 
Slate 10 
Big lime 45 
192 
Sand, Big Injun. 
Section ofMauch Chunk formation in the A. B. Crumrine well {2Ji), borough of Deemston. 
Feet . 
Slate 10 
Lime 4 
Slate 6 
Lime 10 
Red rock 15 
Lime G 
Red n.ck 24 
Slate 3 
Lime 12 
Slate 18 
Little lime 8 
Slate 5 
Big lime 50 
171 
Sand, Big Injun. 
These sections show a fair agreement in the character of the forma- 
tion, though it will be seen that there is considerable variation in the 
occurrence of the red beds. 
No sections from the western and northwestern parts of the quad- 
rangle can be given on account of the extremely indefinite nature 
of the upper limit and the lack of complete records. In general, the 
interval between the Salt and Big Injun sands becomes thinner in 
