504 CARBONIFEROUS ROCKS IN CUMB. CO. — LOGAN & FLETCHER. 



Ft In. 



TO. Ked marl 4 



71. Greenish-grav sandstone with lenticular layers of 



red marl ; blackish pebbly patches 4 4 



72. Greenish and red argillaceous shale 1 6 



73. Greenish argillaceous shale and tlaggj sandstone. 



Dip S. 76°— 52° E.< 4° 5 



74. Ked marl and gray sandstone in layers. Dip 



S. 80° E.< 4° 6 10 



75. Light gray very fine sandstone, passing into red 



marl at the top and into arenaceous shale 8 



76. Gray, coarse and fine, pebbly sandstone at the 



mouth of Fitzgibbon Brook 4 6 



77. Greenish-gray conglomerate, with pebbles often 



larger than a hen's egg. Forms the base of the 

 island on the south side of the brook. The lowest 

 three feet is finer in places 24 6 



78. Red marl 6 



79. Reddish, rubbly, argillaceous sandstone with 



irregular thin layers of red marl 11 4 



80. Red marl with layers of rubbly argillaceous 



sandstone 11 6 



81. Reddish-gray, very fine, flaggy sandstone 4 



82. Red jointed marl 2 6 



83. Greenish and reddish mottled sandstone and 



arenaceous shale in alternate layers 21 



84. Reddish-gray sandstone, a few inches on top pass- 



ing into gray fine and coarse sandstone 6 



85. Measures concealed in a cove at the mouth of a 



little brook 10 5 



86. Light gray, fine, micaceous sandstone, blackened 



in places by minute plants ; rusty spots, with 

 coal pipes and greenish shale. Thickens in places 

 by encroaching upon No. 87 10 



87. Reddish and greenish argillaceous shale 4 



