The Quarterly Journal of the Geological Society of London, Volúmenes 103-104The Society, 1947 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
Índice
JONES OWEN THOMAS The geology of the Silurian rocks west | i |
KING BASIL CHARLES The textural features of the granites | viii |
TROTTER FREDERICK MURRAY The structure of the Coal Measures | xvi |
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Términos y frases comunes
albite Ammanian anticline appear base basin borehole Builth Carboniferous Limestone Clay Cross Coal Measures Colliery correlation Cretaceous crystals deposits depth described developed direction dolerite dykes east Edmondia evidence facies Fault feet from surface felspar folds Foraminifera fossils Fund garnet Geol Geological Survey grains granite gravity Green Beds horizon igneous indicated intrusions Jurassic kyanite laccolith layer lineation Lingula Llandrindod locality Lough Derg Lower Coal Series magma Marine Band masses metamorphic Midland migmatite miles Millstone Grit minerals Morganian movement mudstones north-east north-west occur outcrop Pebble Bed Pennant Permian plagioclase plane plate present probably Professor quarry quartz regional rocks Sandstone schists seams sediments sequence shales sillimanite slump south-west species specimens staurolite strata stratigraphical structure Surv syncline tectonic Tertiary teschenite thickness thin Top Ashdown trend Trueman unconformity Upper Valley valve Vein vertical Wenlock yards zircon