WEST VIRGINIA GEOLOGICAL SURVEY. 113 



west of Edmiston. On Rock Run, 1.8 miles northeast of 

 Bealls Mills, an abandoned coal digging, at an elevation of 

 1055' B., represents the Waynesburg, but little coal seems 

 to have been found there. 



THE GILBOY SANDSTONE. 



The Gilboy Sandstone of White 1 , usually appearing 5 to 

 10 feet below the Waynesburg Coal horizon, and 15 to 20 

 feet below the Waynesburg Sandstone, is found frequently 

 in Lewis and Gilmer but is generally shaly and inconspicuous. 

 It contains no typical physical characteristics in the two 

 counties, varying in color from gray to green or brown, and 

 being flaggy, shaly or massive. A good exposure of the Gil- 

 boy Sandstone was noted at the mouth of Chestnut Run of 

 Upper Big Run of Horn Creek, 1.3 miles southwest of Coxs 

 Mills, Troy District, Gilmer, where three massive cliffs ap- 

 pear, the middle one of which is the Gilboy, being 15 feet 

 thick, 952' B. above tide, 55 feet below the base of the W r aynes- 

 burg and 92 feet above the base of the Arnoldsburg Sand- 

 stone by hand level measurements. The Gilboy Sandstone has 

 been quarried locally in the hill northeast of Cedarville, Center 

 District, Gilmer, where, as shown by the Cedarville Section 

 published in Chapter IV, it is massive, with streaks of shale, 

 medium hard and coarse, and 18 feet thick. The quarry 

 is small, extending only about 10 feet into the hill. This sand- 

 stone is noted frequently in the detailed sections of Chap- 

 ter IV. 



UNIONTOWN SANDSTONE. 



The Uniontown Sandstone of White 2 occurs generally 

 throughout both counties. As observed in Lewis and eastern 

 Gilmer it is usually green, micaceous and flaggy, varying in 

 thickness from 5 to 30 feet, and being usually 75 to 100 feet 

 below the Waynesburg Coal. In Dekalb District, western 

 Gilmer, however, it undergoes a remarkable change, becom- 

 ing a great, massive, coarse, gray cliff rock, and making a 

 marked topographic feature along the Little Kanawha River 



'I. C. White, Vol. II, W. Va. G. S., p. 150; 1903. 

 a l. C. White, Bull. 65, U. S. G. S., p. 58; 1891. 



