81 in places pale buff or green from disseminated chlorite or sericite, visible only under the microscope; a few partings of siliceous chloritic material, mostly less than 1 inch thick and spaced at TBLeLvals 7 Ofeiranied ONO e500 Meets see lee ae eee Interbedded quartzite, schist, and slate: about 80 per cent quartzite, light grey to pale orange-buff, very fine- to medium-grained, in beds up to 10 feet thick; about 15 per cent chlorite slate and quartz-chlorite-sericite schist, pea-green, in part mylonitized, in many places distorted into lens-like bodies and ‘injected’ into joints in the quartzite; minor slate, blue-grey, hard, siliceous; all gradations to impure quartzite .............ecceccccecseceecees Bottom of group not exposed. Motalg thickness (approx: essict. Sos Oca ase ake se ee Thickness Feet 600 to 1,600 17,000 II. Section in Espee Range, near North Border of Map-area Slate or mylonite, dark blue-grey; interbedded greywacke, dark green Limestone, blue-grey, crystalline, non-bedded, slightly sheared ..... Quarizite, white, translucent, medium-grained, well-bedded, very pure except for spots of limonitic material; quartzite, purplish, mottled, slightly feldspathic, possessing only a fair degree of sorting, slightly schistose due to the orientation of the larger grains; interbedded with, and apparently gradational into, pure RvNibem qUaALLZi bea pra Rite cities Chey c eis ie ie ee a Quartzite, brown, fine-grained, very well sorted, slightly feldspathic, so slightly recrystallized that it is little more than highly indur- ated sandstone; interbedded greywacke and subgreywacke, greenish brown, heterogeneous .............secceececcecceceeces Subgreywacke, green, mainly of sand to silt grade; quartzite, felds- pathic; limestone, brown, crystalline, in thin beds................ Conglomerate, containing rounded quartz and quartzite pebbles up to 4 inch in diameter in a matrix of feldspathic quartzite; quartz- ite, grey-brown, very well sorted, slightly feldspathic; subgrey- wacke, green, banded, mainly with silty to fine sandy texture, in ibedsrup stools feetnthicke. acm spies cline ones eee eee anes Subgreywacke, green to dark grey, very fine-grained to coarse, sandy textured; minor conglomerate, brown, with quartz pebbles, in bedstupstonl0bfcetitthiclk: teas) .eesce. code ee tee tates Quartzite, pale grey to grey-brown, finely crystalline to sugary, feldspathiche yee matte te eee ee nce aN ae he eae Slate, chloritic; subgreywacke, bright green, banded ................ Mylonite, blue-grey to purplish, soft, caleareous ................---- Limestone, light green, partly slaty, highly contorted, beds about 1 foot thick containing up to 15 per cent detrital quartz and feldspar; interbedded calcareous rock, silty to cherty; interbedded limestone, buff-coloured, coarsely crystalline; includes pods and lenses of compact, green, chlorite-serpentine-leucoxene (rutile?) MOCKS ss ath tts Bosak pears ie} cates etd ayes. ee Seis: « Gas abo ke ieee eR tems Limestone, ivory-buff, coarsely crystalline, sericitic; thin partings of Chionitesslateronens cess Site eeicpa aot TE RIe Oa ee Slate, greenish grey to purplish, in part calcareous ................. Slate, bright green, with minor purplish calcareous bands .......... Limestone, pale purple, sheared to slaty, in part containing detrital quartz and feldspar; a few partings of chloritic material ...... Limestone, blue-grey to dark grey, massive to finely crystalline; in part oolitic; in part sheared or slaty; in part highly contorted Limestone and calcareous slate, light grey-brown .................- Limestone, blue-grey to dark grey, massive, crystalline, medium- to COAarse-pr Aine ibe. Bas Miso: skh wmicsbyania cae atts eines Seana Base of group not observed sRotaliathicknessia(approxs)ker seer orice meee eee 200 75 700 250 300 300 400 100 300 200