LOWER SILURIAN SYSTEM OF EASTERN MONTGOMERY CO. 457 
46C Section opposite Crane’s village on the south side of the 
Mohawk river 
C! Medium to thin bedded, irregular layers of 
calcareous sandrock, to canal level. In cut and 
creek east of cut. fd, FY 
C? Heavy bedded massive sandstone exposed in 
cut and bed of creek just east of cut. 23 = Bae 
C? Mostly covered. Steel gray arenaceous lime- 
stone containing flint. 80’ 155! 
C* Dove colored, very compact, even bedded, 
fine grained limestone with conchoidal fracture 
and weathering ash-white. Contains abundant 
examples’ of “Phytopsis «tubulosa. Hall. 
Seen in lower quarry east of creek. Birdseye lime- 
stone. 2! -4/—1 50° 
C® Dark bluish-black, massive, compact light- 
weathering limestone, containing Black river 
eorais:. Black iriver. « Large, quarry «just ‘east ~ of 
creek. 6'==1657 
C® Very compact dark blue limestone weathering 
light bluish gray. Thick bedded, even and of 
good quality for construction stone. Contains 
heacinesquina.alternata (Con) Halland 
Clarke, and other Trenton fossils. Large quarry 
east of no. 5. Trenton. td" 
C’ Irregularly bedded thin layers, highly fossil- 
iferous, resting upon those of no. 6. Trenton. 12/180" 
C8 Black smooth shale resting on the Trenton in the bed of the 
creek, and as fragments occurring in the soil of the hills to the 
south. Utica. 
At the railroad cut where no. 1 and 2 are exposed the layers of 
no. I exhibit a rather abrupt bending amounting almost to a slight 
fault. Near the eastern part of the cut the dip is about 10° E 
and in the western part the dip is about 1° to the west. This sec- 
tion furnishes the best outcrop of the Birdseye limestone to be 
found in any part of this region. At this place the Birdseye pre- 
sents its most typical characters. It is dove colored, impalpably 
fine grained, with flat conchoidal fracture, smooth joint faces, and 
