The Quarterly Journal of the Geological Society of London, Volumen 74The Society, 1919 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
Otras ediciones - Ver todo
Términos y frases comunes
abundant acid ammonites amphibolite Ampwihi Ancolioceras anhydrite apatite apertural bar apertural spines appears associated augite bands basic biotite biotite-gneiss calcite capricorn Chellaston Chonetes Chonetes Beds colour conglomerate Crewkerne crystalline limestone crystals d'Orbigny deposits diameter distal district Dolyhir dykes evidence exposed fault feet felspar foliation fossils garnet Geol Geological gneisses granite granulitic grey grits ground-mass gypsum Haselbury hemera Hill horizon hornblende hornblende-gneiss igneous inches Inferior Oolite inselberge intrusions irregular lamprophyres lower Ludlow magma magnetite marl masses metamorphism microcline minerals Misterton Monapo Morphasmopora Mozambique muscovite neighbourhood North Perrott Nrassi occur Old Radnor oligoclase origin orthoclase pegmatites Perrott phenocrysts porphyritic present probably Proc Prof pyrites Q. J. G. S. vol Quarry quartz Rhynchonella Ribawe S. S. Buckman Sandstone seam secondary sediments seen shales similar Sowerby specimens sphene structure Surv suture Temeside Shales thick upper Valley whorl zircon