Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
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Transcription
-208-
Section 29 contd.
Thickness
(feet)
6 inch to 1 foot beds, a few thin brown
shales, partly silicified . . . . . . . . .
22
21. Covered . . . . . . . . . . . . . . . . .
9
20. Sandstone, green to purple-brown weather-
ing, medium quartz sand, crossbedded, 1
to 3 foot beds, thin interbedded shales
and siltstone . . . . . . . . . . . . . . .
35
19. Limestone, light gray to brown weathering,
silty, interbedded shales . . . . . . . . .
8
18. Shale, gray; with 1 inch limonitic silt-
stone beds . . . . . . . . . . . . . . . . .
14
17. Limestone, light gray, silty and clayey . . .
3
16. Shale, light gray, silty, grades upwards
into unit 17 . . . . . . . . . . . . . . . .
12
15. Calcirudite, many shades of limestone
pebbles and cobbles, maximum diameter
10 inches, calcareous matrix weathers
light brown-gray, upper portion badly
covered . . . . . . . . . . . . . . . . .
127
Gaptank Formation
14. Covered . . . . . . . . . . . . . . . . .
4
13. Limestone, medium to light gray, poorly
cemented near base, organic fragmental. . .
2 1/2