The Quarterly Journal of the Geological Society of London, Volumen 124The Society, 1968 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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Términos y frases comunes
Aden agglomerates albite alkali ammonites analyses aragonite Basalt basin beds Beinn Dearg biotite borehole Borneo breccia Brioverian Cadomian calcareous calcite caldera carbon cent centre channels complex composition cone continental crystals Dearg deposits dykes environment eruption facies fauna feldspar ferrodiorite flows folds Formation fossils fragments Geological geosyncline Glamaig Glamaig Epigranite Gneiss Gneiss de Brest granite graptolites Group hornblende igneous intrusion Island Jl geol Leucocratic Lingula Llandovery Lond mafic magma Marada marine Marsco Marscoite metamorphism minerals Miocene Monograptus Normal Brunhes Nunivak Island occur outcrop Oxford Clay oxidation Palaeozoic perthite phase pillow lava plagioclase Pont Nedd Fechan Porphyritic present pyrite pyroxene quartz ratios region Reversed Matuyama rhyolite samples sand sandstone sedimentary sediments sequence shales sheet shell Silurian Skye southern specimens structure suggested surface syenite thick Titusville trachybasalt trachyte tuff volcanic rocks Wenlock western Woodham zone