Narrative of a Second Expedition to the Shores of the Polar Sea Part 24

206

[44] Specimens from the Promontory of Cape Parry, which rises into a hill, seven hundred feet high. Strata dipping lightly to the northward.

207 Yellowish-gray dolomite, imperfectly crystalline, being similar to the limestone of Lake Winipeg.

208 Brownish dolomite impregnated with silica.

209 Thin-slaty, gray limestone. Very common also in Lake Winipeg.

210, 211 Boulders of dolomite.

212

213 Brown dolomite, with drusy cavities and veins, lined by calc-spar.

[45] In the geological notices appended to the narrative of Captain Franklin's Journey to the Coppermine, I have termed this rock a dark purplish-red felspar rock. On examining it again on this journey, I perceived it to be a greenstone, whose surfaces weather of a rusty brown colour.