The Canadian journal of industry, science and art . y make up the entireportion of the island of that name, off Perce, Sir William Logan hasbestowed upon them the name of the Bonaventure Formation. Theyconsist essentially of conglomerates, associated with red and brownsandstones and some reddish shales. The conglomerates are made upof pebbles of limestone, sandstone, syenite, agate, quartz, and otherrock-matters, held together by an arenaceous or partly calcareouscement. ; Many impressions and casts of vegetable remains occurthroughout this formation, but its beds are apparently destitute of c
The Canadian journal of industry, science and art . y make up the entireportion of the island of that name, off Perce, Sir William Logan hasbestowed upon them the name of the Bonaventure Formation. Theyconsist essentially of conglomerates, associated with red and brownsandstones and some reddish shales. The conglomerates are made upof pebbles of limestone, sandstone, syenite, agate, quartz, and otherrock-matters, held together by an arenaceous or partly calcareouscement. ; Many impressions and casts of vegetable remains occurthroughout this formation, but its beds are apparently destitute of cosiLThey belong to the base of the coal series, proper; and evidentlyform a portion of the northern rim of the New Brunswick coal field. The Bonaventure Formation rests unconformably on the Gaspesandstones and limestones, and dips generally towards the to Sir William Logan, it presents a total thickness of about300 feet. MINERALS AND GEOLOGY OF CANADA. 451 SKETCH-MAP OF THE GEOLOGICAL FORMATIONS OF WESTERN CANADA. Fig. 249. 452 A POPULAR EXPOSITION OF THE References to Map on preceding page. Erie Group.
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