The Geology of the South Wales Coal-field ...: The country around Bridgend (Sheets 261, 262 of the map), by Aubrey Strahan and T. C. Cantrill, with parts by H. B. Woodward and R. H. Tiddeman. 1904

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H.M. Stationery Office, 1904 - Coal
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Page 112 - Paragenetic formations of carbonate of lime and oxide of iron, and of quartz and oxide of iron, at the Mwyndy iron mines, Glamorganshire (Illustrated) FOSTER.
Page 37 - Phil. Soc. part xiv. pp. 283-285. (662) LANKESTER, ER On Holaspis sericeus, and on the Relationships of the Fish-genera Pteraspis, Cyathaspis, and Scaphaspis [Monmouthshire]. Geol. Mag. vol. xp 241. (663) LEE, JE Notice of Veins or Fissures in the Keuper, filled with Rhretic Bone-bed, at Goldclifle, in Monmouthshire.
Page 36 - Where the detrital matters from rivers are exceedingly abundant, and where there is apparently a rapid accumulation, glauconite, though present, is relatively rare ; on the other hand, along high and bold coasts where no rivers enter the sea, and where accumulation is apparently less rapid, glauconite appears in its most typical form and greatest abundance.
Page 62 - At any rate the mere fact of its occurrence under beds which cannot be otherwise than the Ostrea beds must be taken as indubitable evidence of its position below the Hettangian series of beds. My own conviction is that the Conglomerate bed is the true representative of the Sutton-stone of Button and West, of the Guinea bed of Binton and Grafton, in Warwickshire, and of the White Lias of that county and the west of England. A comparison of the Section at Stormy with the lower part of the Section I...
Page 105 - Kenfig was nearly buried in twenty-four hours, and the inhabitants had to be dug out. The old borough of Kenfig, of which a few foundations are still to be seen, had to be abandoned in the fifteenth century. It is the general opinion that the sand made great advances in the sixteenth century. Beneath the sand, where it has been blown off the original surface, MR.
Page iv - Docks, where conclusive evidence was obtained of a subsidence of the land of upwards of 50 feet during and since Neolithic times. In this investigation also Mr. Storrie gave valuable assistance. The Map is issued in two editions. On the edition for Solid Geology the Glacial Drift is omitted, while on the Drift edition the areas occupied by Drift are coloured, as well as those portions of solid geology which are not concealed by the Drift. Manuscript six-inch maps, geologically coloured, are deposited...
Page 115 - is in free communication with the sea, along the line where the conglomerate crops out below high-water level on the shore. The tidal wave, on reaching...
Page 62 - The whole of these beds may be regarded as the basement-beds of the Lower Lias, representing the Osfrea-beds and other portions of the zone of Ammonites planorbis, and including perhaps portions of the zone of A.
Page 38 - ... the Superposition of Quartz Crystals on Calcite in the Igneous Rocks occurring in the Carboniferous Limestone of Derbyshire.
Page 55 - Calcareous nodular bed with fish-remains 3 Shales 18 Fine whitish sandstone with plants, and at top a seam of quartzpebbles with remains of Hybodus and Acrodus ; seen to - - 12 0...

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