The Quarterly Journal of the Geological Society of London, Volumen 115The Society, 1959 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
Índice
Stratigraphy | 18 |
The age relationships of faults and intrusions | 28 |
Conclusions | 35 |
Otras 14 secciones no se muestran.
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Términos y frases comunes
Ancon anticline appear Arklow axial plane axis bands black shales Boulder-clay breccia Buhwezu calcareous Cambrian Carboniferous Chert Chert Beds Clay Pebble-beds conglomerate crinoidal Culm Measures deformation deposits developed diagrams dolerite dykes east evidence exposures facies feet thick feldspar formation fossils Fremington Geol Geological glacial Goniatites granite granophyre horizon igneous Instow Interglacial intrusions Isingiro lavas limb limestones lineation Loch Luichart Lower Culm Meldon Quarry metamorphism metasomatism Middle Sand miles minor folds movement mudstone Mynydd Moel Nar Valley Nar Valley Clay normal faults north-east north-west northern occur Ordovician outcrop phase Pleistocene plunge pollen porphyritic quartz quartzites reverse fault rhyolitic sandstone sedimentary sediments sequence shales similar slates slaty cleavage Socorro Socorro Beds south-east south-west steep strain-slip cleavage strata stratigraphical succession suggested surface syncline tectonic thrust trend trilobites tuffs Upper Acid Group Upper Culm volcanic rocks weathering zone