Gas- Wei/ Sections iji Central Nezv York. — Prosser. 147 
13 580 Bluish-gray arenaceous and 
argillaceous shales, the 
latter predominating. 
Large chips. 
14 670 Bluish argillaceous shale, 
slightly calcareous. 
22 
1.400 
23 
1.500 
24 
r.6oo 
25 
Hudson 
formation 
Large chips with white 
Hudson 
streak. 
formation 
15 
697 
Ditto, but finer chips. 
Hudson 
formation 
16 
8.35 
Ditto, coarser chips. 
Hudson 
formation 
17 
910 
Ditto, with a few chips of 
gray arenaceous shale or 
Hudson 
ss. 
formation 
18 
1,000 
Ditto. 
Hudson 
formation 
19 
1. 100 
Clear bluish argillaceous 
Hudson 
shale. 
formation 
1,200 Bluish black, very argilla- 
ceous shale, with slightly 
brownish streak. Scarce- Hudson 
ly calcareous. formation 
1,300 Black very argillaceous 
shale with brownish 
streak. Quite strong ef- 
fervescence in cold HCI. 
Chips quite large. Utica shale 
Ditto. Utica shale 
Ditto, but finer chips. Utica shale 
Sample contains some 
black shale but is largely 
composed of chips of 
dark gray (with a few 
light ones) limestone: 
strong effervescence in Trenton 
cold HCI. limestone 
1,605 Mostly chips of very dark 
gray limestone which ef- 
fervesce strongly in cold 
HCI. Some light gray Trenton 
chips. limestone 
