60 PALEOZOIC PALEONTOLOGY. 
Oriskany Formation. 
2 A°*’. Hard, more or less siliceous, gray or black lime- 
stone, with an abundance of fossils, many of 
which are trilobite fragments. The “Trilobite 
bed” of authors. Exposed continuously along 
the crest of the first high ridge back from the : 
Nearpass quarry bluff. 30 + ft. 470 ft. 
2A”. The Orbiculoidea jervensis bed, exposed in the 
Nearpass section only on the Werden farm next 
north of the Sanford Nearpass place, near the 
private road leading over the hill to the gravel 
pits. It is dark, siliceous limestone. 20 + ft. 490 ft. 
2 A°**’. More or less earthy or siliceous limestone, usually 
unexposed. 120 + ft. 610 ft. 
Esopus Grit. 
2 A**. Exposed in the ridges beyond the Trilobite ridge 
in the Nearpass section and forming the north- 
western slope of the Wallpack ridge. It is a 
hard, siliceous, irregularly-cleaved slate, which 
has been greatly sheared, and forms the crest of 
the Wallpack ridge near the State line and also 
in Wallpack township. 400 + ft. 1,010 ft. 
In this section the beds up to and including 2 A** have been care- 
fully measured with a tape line, and are all exposed in the bluff 
of the William Nearpass quarry. The higher beds do not present a 
continuous outcrop, but are exposed at, intervals back to the main crest 
of the ridge west of the quarry, upon the Sanford Nearpass farm and 
the Werden farm next north. The thickness given for most of these 
higher beds has had to be very roughly estimated, as they are exhibited 
only in isolated outcrops for the, most part, but the total thickness 
of the New Scotland beds and the Becraft limestone together has 
been estimated by Dr. Kimmel, as near as possible by numerous obser- 
vations upon the dip of the strata and the width of the outcrop, to 
be 180 feet, and the sum of the thicknesses given for these beds— 
2 A*® to 2 A*1—is made to equal this amount. In the same manner 
the total thickness of the beds referred to the Kingston and Oriskany 
has been estimated at 250 feet. 
