. Bulletin of the British Museum (Natural History), Geology. 184 THE OLD RED SANDSTONE OF BROWN CLEE HILL or variegated in colour, according to the form and amount of the iron salts present. They are largely composed of fragments of muddy limestone or calcareous marl, commonly rounded or sub-rounded, though occasionally sub-angular, ranging in size from a few millimetres up to several centimetres. Some cornstones consist mainly. Fig. i. Current directions as indicated by dips recorded from foreset beds in sandstone and conglomeratic cornstone units within the upper part of the Downton Series a
. Bulletin of the British Museum (Natural History), Geology. 184 THE OLD RED SANDSTONE OF BROWN CLEE HILL or variegated in colour, according to the form and amount of the iron salts present. They are largely composed of fragments of muddy limestone or calcareous marl, commonly rounded or sub-rounded, though occasionally sub-angular, ranging in size from a few millimetres up to several centimetres. Some cornstones consist mainly. Fig. i. Current directions as indicated by dips recorded from foreset beds in sandstone and conglomeratic cornstone units within the upper part of the Downton Series and the lowest 400 ft. of the Ditton Series, measured on the northern and western slopes of Brown Clee Hill. of one type of pellet or of water-sorted " race ", whilst others also incorporate pebbles of vein quartz, cherts, jasper, and pellets of vegetable carbon. The matrices consist of crystalline and muddy calcite, marl and sand in varying proportions and, when weathered, the beds may assume a nodular or rubbly appearance. Fragmentary. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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