Transactions . N? HUTTON SEAM Of We* 209 or 1260 feet below the level of the sea. This density was 1*026, beingnearly that of sea water. In other parts of this coal-field, however, as at Walker, Framwell-gate, Butterby, Lambton, Birtley, and St. Lawrence, saline springs, ofan entirely different character, are met with at various depths (in thecase of Framwellg-ate and Butterby coming to the surface), and at someof these places the springs have been used as brine springs for the prepa-ration of ordinary salt. Various opinions are held by geologists as to the precise structure ofthe Permian s
Transactions . N? HUTTON SEAM Of We* 209 or 1260 feet below the level of the sea. This density was 1*026, beingnearly that of sea water. In other parts of this coal-field, however, as at Walker, Framwell-gate, Butterby, Lambton, Birtley, and St. Lawrence, saline springs, ofan entirely different character, are met with at various depths (in thecase of Framwellg-ate and Butterby coming to the surface), and at someof these places the springs have been used as brine springs for the prepa-ration of ordinary salt. Various opinions are held by geologists as to the precise structure ofthe Permian series of this district, and their relationship to the subjacentrocks. Perhaps, with little exception, all the older geologists, and thosenot residing in this neighbourhood, consider the Permian series of thisdistrict to lie unconformably on the Coal-measures, and that the Yellow-sandstone and Red-sandstone beds form a part of the Permian series, andare conformable to the overlying Magnesian-limestone. On the other ha
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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries
