Abstract of the Proceedings of the Liverpool Geological Society, Band 12T. Wilson and Son., 1920 |
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abundant appear B.Sc bands Barium Barytes Beasley biotite borehole boring boulder clay Brachiopod brown Bunter Pebble Bunter Sandstone Calcite carbonate Carboniferous cementing Cheshire colour conglomerate containing coral crystals denudation deposits depth described digits district drift erosion evidence exposures fault feet felspar footprints fossils fragments Geological Glacial grains granite gravel grey Heswall Hill inches iron Keuper Keuper Sandstone Lancashire layers limestone Liverpool Liverpool Geol Lower Keuper magnetite MAIDWELL Marcasite marl mass material metamorphism mica Middle Bunter Midlands miles Millstone Grit minerals North Wales occur origin orthoclase paper Pebble Beds Permian plagioclase Pliocene present probably Proc quarry quartz quartzite red sandstone river Road rounded Runcorn sand sandy seen septa shale silica Skiddaw slab slate Society soft South specimens stone Storeton strata subaerial surface T. A. JONES thickness thin tourmaline traced Travis Triassic Triassic rocks Upper Bunter West Wirral zone