CARBONATE ROCKS. 191 
B. An earlier sample of D. Analysis by J. E. Whitfield, record No. 827. P. R. 
©. 117. Described by Diller in Bull. 150. 
VIRGINIA AND WEST VIRGINIA. 
. Limestone, upper ledge, Moundsville Narrows, West Virginia. 
. Same as A, lower ledge. Analyses A and B by T. M. Chatard, record No. 127. 
. Trenton limestone, Lexington, Virginia. Analysis by R. B. Riggs, record No. 
. Limestone, Staunton, Virginia. Analysis by George Steiger, record No. 1630. 
. Part of D insoluble in one-tenth hydrochloric acid. 
. Soluble part of D. Analyses E and F, also by Steiger, same number. These 
three analyses are accompanied by analyses of the residual clay, formed by the 
weathering of the limestone. See section on clays. 
oo 
os 
Smo" QW e 
H20 at 100°... 
H20 above 100° 
NORTH CAROLINA AND SOUTH CAROLINA. 
A. Marble, from Marshall, Madison County, North Carolina. 
B. Marble, from Bakersville, North Carolina. Analyses A, B, by E. C. Sullivan, 
record No. 2157. 
C. Marble, from Fletcher, Buncombe County, North Carolina. Analysis (partial) 
by G. Steiger, No. 2209. CO, calculated to satisfy bases. 
D. Marble, from Caney Fork, Jackson County, North Carolina. Partial analysis 
by W. T. Schaller, No. 2259. CO, calculated. 
