The Geologist Volume 1 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1842 Excerpt: ...in the neighbourhood of Pictou, on the northern side of the province (lat. 45 48' long., 62 48' W.) Pictou stands on a carboniferous series, and a bed of coal passes under the town; but the principal locality for workable seams is at the Albion Mines, ten miles to the south. In Judge Haliburton's statistical account of Nova Scotia, ten beds are stated to occur there, and the aggregate thickness is stated to be sixty feet; but only one seam, containing twentyfour feet in vertical dimensions of clean coal, is at present worked; and its daily produce is about 240 tons. In Frazer's Mount, near New Glasgow, two miles to the eastward of the Albion Mines, are other workable beds, resting, with the interposition of a stratum of stigmaria fire-clay, on limestone. Judge Haliburton has given a section of the Albion Mines, including 600 feet; and in the appendix to Mr. Logan's memoir is an elaborate list of beds, commencing 238 feet below the Judge's section, and extending in the descending series for upwards of 2500 feet. The whole of these series Mr. Logan divides into the following groups: --I. Red and drab-coloured sandstones with red and grey shales, a few coal seams, occurring chiefly towards the bottom, associated with limestone, and resting on a very coarse conglomerate of considerable thickness. 2. Soft dark shales, with a few beds of sandstone, and richly stored, particularly in the lower half, with workable seams of coal and ironstone--5000 feet. Beds of fire-clay, with stigmariae, were found by Mr. Logan under every seam of coal which he examined; and he states that they are reported to occur in the same position in the carboniferous series of Cape Breton. 3. Limestone with marine fossils--ten feet. 4. Coal measures, probably unproductive, consisting, in the...