76

Quartzite, speckled grey-brown, medium- to fine-grained, schistose, impure, in beds 6 inches to 4 feet thick separated by 1 inch to 6 inches of quartz-sericite-chlorite schist ......... OOo dion

and chlorite, about 3, inch in diameter in a slightly schistose CUMS UIOUIG, THATS 355 opducoboseccondoudbossdoosbbunubocdauue

clase and perthite grains up to 4 inch in diameter in a rusty serici- tic matrix, beds up to 12 feet thick separated by partings of slate WO) WO. GO aevsnasy Wael ev so cgonavedvomesonnanaauedeseseedsdedduucecn Slate, dark and medium grey; sheared argillite; a few beds up to 2 feet thick of quartzite, light grey, medium-grained, schistose .... Quartzite, light grey-brown, slightly schistose, composed of rounded clastic grains and recrystallized ‘eyes’ of quartz up to ¢ inch in diameter, and rounded masses of limonitic matter that apparently represent decomposed ferromagnesian minerals ................. Limestone, dark blue-grey to black, impure, slaty, poorly bedded; slate, dark brown and grey, calcareous; chlorite-sericite schist, calcareous; minor quartzite, sheared, in part crossbedded ........

Thickness Feet

100 80

190 70

210 +180

40

60 +330 390

100 75

160

280

£100 280 +350

110

40

35

130