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57. Shale, gray, thinly inte r bedded and 
inter -laminated with silt stone, 3,4* 
56. Shale, dark gray to black at base to gray 
at top. Siltstone laminae become more 
numerous upward. 2.9’ 
55. Shale, light gray, silty. Capped by thin 
layer ferruginous, fine-grained sandstone 
with "worm" borings and casts. 0. 7 1 
54. Shale, carbonaceous, "paper shale" in 
upper 1. 0 foot, grading downward to 
slickensided black, finely silty clay shale. 2. 6* 
53. Shale, gray, silty, stained red to pink. 
Carbonaceous fragments. 0,5' 
52. Sandstone, fine- to medium -grained, 
cross -laminated, weathers buff with 
much local brick red to orange staining. 
Upper 7. 0 to 10. 0 feet massive, below 
this, beds 0.5 to 2.0 feet thick with some 
shaly sandstone partings. 15. 0» 
51. Siltstone, clayey, laminated, interbedded 
with silty clay and thin lenses cross- 
laminated sandstone. Clayey siltstone 
gray, with pink and lavendar stain; some 
Fe -impregnated layers. Much "worm"- 
working evident. 
2 . 2 ' 
