Thickness 
in feet 
3 
23 
168 
PARIC CILV MINING DISTRICT, ULAL 449 
Shale, fine, gray-green. 
Limestone, blue-gray, cavernous, fossiliferous. 
Limestone transition from shale through sandstone, fossiliferous . 
Sandstone, gray-brown, with calcareous shale intercalations, fossiliferous . 
Shale, maroon, fine-banded. 
Limestone, gray, impure, semicrystalline, fossiliferous. 
Limestone, light gray-blue, massive, sandy, fossiliferous. 
Shale, gray-brown. 
Limestone, impure, gray, massive, fossiliferous. 
Shale, gray to buff. 
Sandstone, massive, gray-brown, vertical sheeting, fossiliferous. 
Shale and sandstone, green to brown, calcareous intercalations. 
Sandstone, gray, finely laminated, chert lenses. 
Shales. 
Limestone, fine, blue, with intercalated ripple-marked sandstones, len- 
ticular gray cherts, and biotitic bed, bearing fossils. 
Shale, olive. 
Sandstone, olive-gray, massive, weathers rusty, trails, fucoids, and imprints. 
Limestone, bluish, matrix inclosing ‘‘tangle”’ stringers of ferruginous sand- 
stone. 
Limestone, impure, blue, very fossiliferous. 
Shale, olive, fine-grained. 
Limestone, sandy and shaly. 
Limestone, blue to gray, spheroidal weathering, fossiliferous . 
Débris, lime with intercalated shale. 
Limestone, dark blue, locally shaly, weathers rough, several highly fossilifer- 
ous horizons. 
Shale, brown, inclosing sandy bed. 
Limestone, gray-blue, gray chert lenses, fossiliferous. 
Shale, brown with green tinge. 
Limestone, coarse shells, gray chert band. 
Limestone, dark blue, sandy, massive. 
Limestone, deep blue, weathers rusty, fossiliferous. 
Sandstone, calcareous, rusty, breaks in slabs. 
Limestone. 
Sandstone, gray-black, shaly, bands black slaty shale, fossiliferous. 
Sandstone, calcareous, finely laminated, highly fossiliferous. 
Shale, maroon. 
Float, varicolored shale. 
Shale, green, buff, olive, maroon, yellow. 
Sandstone, gray, calcareous, intercalated shales. 
Limestone, gray, intercalated, calcareous, gray sandstone. 
Sandstone, greenish-brown, intercalated shales. 
