96 STRATIGRAPHY GENERAL SECTIONS. 



Thickness Total 



Feet. Feet. 



Unrecorded 370 1973 



Sand, Salt 55 2 028 



Unrecorded 25 2053 



Blue Monday 30 2083 



Sand, Salt 50 2133 



Unrecorded 70 2203 



Lime 25 2228 



Sand, Salt 50 2278 



Mauch Chunk Series (35') 



Unrecorded 10 2288 



Red rock 15 2303 



Unrecorded 10 2313 810' 



Greenbrier Limestone (105') 



Big Lime 105 2418 



Pocono and Catskill Series (882') 



Big Injun Sand (gas show, 1820'; oil show, 



1850') 139 2557 



Unrecorded 396 2953 



Sand, Thirty-foot 10 2963 



Unrecorded 5 2968 



Red rock 5 2973 



Sand, Gordon Stray 10 2983 



Unrecorded 75 3058 



Sand shells, Gordon 3058 745' 



Unrecorded 108 3166 



Sand, Fifth 7 3173 115' 



Unrecorded 80 3253 



Sand shells 3253 



Unrecorded 40 3293 



Sand, Bayard 7 3300 127' 



Chemung Series (205') 



Sand shells to bottom 205 3505 



The following section was made with aneroid descending 

 a steep hill immediately southeast of Normantown : 



Normantown Section, Center District. 



Thickness Total 



Monongahela Series (280') Feet. Feet. 



Concealed, with red shale, from top of hill 45 45 



Sandstone, shaly, Arnoldsburg 30 75 



Concealed in bench 15 90 



Sandstone, massive, coarse, gray, pebbly, cliff 



rock, Sewickley 50 140 140' 



Concealed in slope 25 165 



Sandstone, greenish gray, fine grained, some- 

 what flaggy, cliff rock, Cedarville 50 215 



Shale, sandy 4 219 



Shale, dark, Redstone Coal horizon 1 220 



Shale, variegated 5 225 



Sandstone, shaly, Weston 40 265 



