SLATES AND SHALES. 215 
B. Pink slate, from near base of Upper Huronian, Menominee district. Center of 
sec. 5, T. 39 N., R. 29 W., near Norway mine. Described by Bayley in Mon. XLVI, 
p. 298. 
C. “Briar slate,’ Vulcan iron formation, Menominee district. Also described by 
Bayley, op. cit., p. 330. 
Analyses B and C by E. T. Allen, record Nos. 1974, 1994. 
WISCONSIN. 
Slates of the Penokee-Gogebic series, collected by (. R. Van Hise. A and C are 
described in Mon. XIX, p. 306, as magnetitic clay slates. Analyses by L. G. Eakins, 
record No. 392. 
A. Sec. 6, T. 45 N., R. 2 E. 
B. Sec. 1, T. 45 N., R.1 E. 
C. Sec. 4, T. 44 N., R. 2 W. 
7 MINNESOTA. 
Slates from the Mesabi district, described by C. K. Leithin Mon. XLIII. Analyses 
by George Steiger, record Nos. 1931, 1992. 
