308 CARBONIFEROUS ROCKS IN CUMB. CO.— LOGAN & FLETCHER' 



Ft. In. 



150. livd and iirccn argillactHnis shale 6 



151. Gray fine sandstone, passing at tlie bottom into 



])('l)l)ly, coarse sandstone with jx'hbles as large as 



a lion's ego- 10 



152. Greenish coarse nut-and-egg' conglomerate 14 



153. Greenish argillaceous shale, passing into rnsty 



coarse twisted sandstone with coal-pipes 1 9 



154. Rusty sandstone and fire-clay, light gray at the top 6 



155. Alternate layers of sandstone and conglomerate, 



replaced in part by greenish argillaceous shale. .11 6 



156. Arenaceous shale replaced by argillaceous shale. . . 2 



157. Gray massive sandstone, broken by irregular joints, 



with lenticular replacements of greenish and red- 

 dish shale 1''' 



158. Greenish-gray argillaceous shale 9 



159. Gray, rusty-weathering, fine sandstone with pebbly 



patches 10 



IGO. Greenish-gray argillaceous shale; in ])laces replaced 



by sandstone 1 2 



101. Gray and greenish-gray flaggy sandstone, passing 



at the bottom into pebbly coarse simdstone 19 



162. Dark gi"ay argillaceous shale, more or less 



lenticular 2 



IGo. Gray broken and jointed sandstone. All the sand- 

 stones contain comminuted carbonized plants. . . 10 



164. Greenish flaggy sandstone with thin layers of red 



argillaceous shale. A three-feet faidt with 

 upthrow^ on the west side 9 



165. Ked argillaceous shale, with thin band of greenish- 



gray coherent sandstone 9 6 



166. Gray rusty- weathering sandstone in somewhat 



flaggy hiyers, with small wedges of argillaceous 

 shale. Another fault of nine feet five inches with 

 upthrow (n the we^t. Dip of fault X. 42° E. 

 <67° 12 6 



