Guide books of excursions in Canada1-10 . re here seen for the first time in ascending the valley. Mile 163-4.—The Kitseguecla river, deeply trenchedin a long canyon, enters the Skeena from the south. Eastof it is the Rochers Deboules range, a long mountain massbreaking in places into high pinnacled peaks and sharpcrested ridges. Mile 164-2.—Skeena Crossing.—The railway, whichhas hitherto followed the left bank of the Skeena, crossesto the right. The river here and for some distance aboveand below occupies a deep gorge sunk through the driftinto the underlying rocks, and a long bridge has been
Guide books of excursions in Canada1-10 . re here seen for the first time in ascending the valley. Mile 163-4.—The Kitseguecla river, deeply trenchedin a long canyon, enters the Skeena from the south. Eastof it is the Rochers Deboules range, a long mountain massbreaking in places into high pinnacled peaks and sharpcrested ridges. Mile 164-2.—Skeena Crossing.—The railway, whichhas hitherto followed the left bank of the Skeena, crossesto the right. The river here and for some distance aboveand below occupies a deep gorge sunk through the driftinto the underlying rocks, and a long bridge has beenthrown across this at an elevation of 140 feet (42-6 m.)above the water level. The rocks of the Hazelton group, consisting here ofalternating bands and beds of grey, tufaceous sandstonesand dark, usually carbonaceous, shales, cut by occasionaldiorite porphyrite dykes, are well displayed in the wallsof the gorge. They have yielded unequally to compression,and sharp bends often accompanied by faulting alternatewith long easy folds. o. 30 East of Skeena Crossing the railway follows a wideroughly terraced slope, which intervenes between theriver and the bordering Rochers Deboules older rocks are mantled everywhere and in placesdeeply buried beneath, a thick covering of glacial drift. Mile 175.—A small granitic stock more basic thanusual, intrusive into the Hazleton beds, crosses the valley. Mile 176.—Seely gulch a deep V-shaped gorge, sunkthrough boulder clay, joins the Skeena from the south. Mile 177.—Hazelton.—The railway leaves theSkeena at this point and turns to the right up the Bulkleya tributary stream. Both rivers near their junction,have cut deep, terraced, secondary valleys through thedrift, Looking northward from the railway level 320feet (100 m.) above the river, the great mountain-borderedvalley of the Skeena is seen stretching far into the , an old furtrading post of the Hudsons BayCompany and at present the principal tradi
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeology, bookyear1913
