534 NEW YORK STATE MUSEUM 



125-A6 Sandstone in irregular layers; some heavy and 

 compact, others thin, irregular, and shaly; 

 all containing Lingulella in abundance and 

 Obolella. Shale pebbles frequent on some 

 surfaces, also fucoids 20 feet 



125-A7 Sandstone in thin layers that split readily into 

 thinner laminae. Lingulella, Obolella, P t y - 

 choparia minuta?, Conoceph- 

 a 1 i t e s verrucosus, in abundance 4 feet 



125-A8 Sandstone thinly bedded and shaly in lower, 

 portion, heavy in upper portion; Lingu- 

 1 o i d fragments in abundance in lower por- 

 tion 15 feet 



125-A9a Vertical interval unknown about 70 feet 



125-A9b Thinly bedded sandstone with fucoids and 



ripple-marks 12 feet 



125-A10 Irregularly bedded sandstone with pebbles and 

 cavities; laminae separated by shaly part- 

 ings; fossils most abundant near middle bed; 

 Conocep halites verrucosu s(?), 

 Ptychoparia minuta (?), Lingulella, 

 Obolella, worm borings, fucoids 4 feet 



125-A11 Light colored thinly bedded, coarse grained 

 sandstone, full of cavities due to solution of 

 embedded pebbles; fossils, Trilobites (three 

 species), Ophileta, Platyceras, Obolella, Lin- 

 gulella, Scolithus canadensis. This 

 fauna has a Siluric expression in the pres- 

 ence of the two gastropods, Ophileta and 

 Platyceras - \ 8 feet 



125-A2 Vertical interval unknown 40 feet 



125-A13 Granular, white quartz sandstone forming 

 highest bed of this section; no fossils; ripple- 

 marked and cross-bedded. 

 The Beekmantown dolomite, 127-B1-3, appears first in bed 



of Saranac river at Treadwell's mill, 5 miles below Kent Falls y 



