SANDY CREEK; WELL AND SECTION. 107 



forty miles north-northwest of Chittenango or twenty-eight miles north- 

 east of Fulton. 



SECTION OF WELL NUMBER 4, AT SANDY CREEK, NEW YORK. 



Depth. Thickness. Kind of rod:. Formation. 



Feet. Feet. 



50 350 Mainly blue argillaceous shale, but with 



some bluish to dark gray, fine-grained 



sandstone, which contains fine grains of 



mica; segments of crinoid stems at 200 



feet Lorraine shale of tbe 



Hudson group. 

 400 145 Blackish argillaceous shale with moder- 

 ately brownish streak Utica shale. 



545 600 Dark blue, dark and light gray limestone 



chips, most of which effervesce very 

 strongly in cold HC1 ; fragments of fos- 

 sils at 600 and 700 feet; fragments of 

 brachiopods at 675, 750, 880, 900, 950 and 

 1,050 feet, and numerous fragments of 

 well preserved brachiopods at 765, 800, 

 830 and 850 feet ; gas at 675, 765 and 790 

 feet. Samples from 545, 830, 880 and 



1,030 feet were blown out by gas Trenton limestone. 



1,145 Bottom of well in the Trenton limestone. 



Walertoton Well and Section. — At Watertown, Jefferson county, 24 miles 

 north-northeast of Lacona, a well was drilled to the depth of 530 feet by 

 the Black River Gas and Fuel Company. A little gas was found at the 

 depth of 253 feet, according to the driller. Mr Albrant, to whom the writer 

 is indebted for the samples from this well. 



SECTION OF WELL AT WATERTOWN. NEW YORK. 



Depth. Thickness. Kind of rock. Formation. 



Feet. Feet. 



92 8 Light greenish, very compact, fine-grained lime- 



stone, which effervesces strongly in cold IIC1... Trenton. 



100 26 Light gray limestone, strongly calcareous 



126 135 Mainly light green limestone, which does not effer- 

 vesce strongly in cold HC1 at first, but increases 

 on standing 



261 14 Very light gray fine-grained limestone ; effervesces 

 strongly in cold HC1 



275 255 Many pinkish white chips, which are usually non- 

 calcareous; also dark green and dark gray, the 

 gray being somewhat calcareous; near the bot- 

 tom are some vitreous white quartz grains ( lalciferous ? 



530 Bottom of well 



KVI-Buli-. Geoi,. Soc. Am., Vor.. I, 1892. 



