80

quartzite, gritty, feldspathic, containing angular grains of light
grey feldspar and quartz in about equal proportions in a schistose,
slightly chloritic, quartz-sericite matrix; about 20 per cent quart-
zite, pale buff to greenish grey, slightly micaceous; a few beds

of conglomerate up to 25 feet thick .................... SG0nd0 SE
Quartz-chlorite schist; quartzite, chloritic, well bedded, in part
erossbedded 6... sickens <i Geek. «Weare ohms ann bres shlepeyeeh Gh
uartzitic conglomerate, fine-grained, containing rounded quartzite
and feldspar-rich pebbles in a micaceous, schistose, quartzite
matrix; quartzite, well-bedded, schistose, chloritic and sericitic;

of limestone, pale brown, fine-grained, sugary to Slatyaisennwne
WDE XD ORC GP a rena tear ee aaa eee
uartz-sericite schist, fine-grained, Crump led it A esiaivets ste. Rigen cee ce
Limestone, pale brown, coarsely crystalline to slaty; interbedded
Cuainte-sericite Jechiel | fio vausc a cae ee ee ats hh teees mbna
Limestone, dark grey and buff-coloured, sugary to slaty ............

Quartzite, pale brown to buff, medium- to fine-grained, micaceous;
slate, pale green, dense, chloritic; minor phyllite, dark blue-grey,
calcareous; a few bands up to 50 feet thick of limestone, pale
brown-grey and Sugary, or mottled blue-grey and massive......

Quartzite, light grey to buff-coloured, sugary; minor slate............

Quartzite, light grey, SUgaT Ye etalnly SOULE as) eee ae ce

Interbedded series of varied composition; quartzite, grey, banded, in

Smee ewe eee een ee

Slate, soft, chloritic ; interbedded quartzite, fine-grained, banded,
slightly micaceous; limestone, reddish brown weathering, coarsely

Interbedded series comprising about 40 per cent slate, chloritic; 20
per cent quartzite, fine-grained, chloritic ; 20 per cent quartzite,
slaty; 10 per cent chlorite-sericite slate, brownish grey, pyri-
tiferous; 10 per cent quartzite, buff, pure, fine-grained; and a
few thin beds of quartz-pebble conglomerate

St POE OD ORO OO CEO MOO GOOD OUUDEO COU COON ODOD OO oot

See wee wee e ee een ee

ing, relatively pure, composed in part of clear, rounded grains up
to #s inch in diameter in a fine-grained, sugary, tan-coloured
matrix, and in part wholly sugary, fine-grained; about 20 per cent
slate, blue-black; 10 per cent slate, chloritic; 30 per cent inter-
mediate types of impure, banded, slaty quartzite soe e cece teens
Quartzite, white, very pure, finely crystalline, mostly without any
megascopically visible impurities or stain, but a few beds are

Thickness
Feet

1,500
100

2,000
500

200 to 700 (?)
120

700 to 1,200 (?)
+700
500

300 to 500 (?)
150

1,500 to 2,000
100

800(?)

120 to 200
40

200

800 to 1,200