 | | Journal (article/letter/editorial) | | that the dyke is broadly coeval with the Exeter Volcanic Series, but that it also just predates many of...and characteristics in some dykes in the Exeter Trap Series. Dewey (1910) also reported positive evidence...biotite, Figure 1: The simplified geology of North Devon. The Fremington dyke is shown within the inset....In other places, plagioclase laths border on labradorite in composition and demonstrate both skeletal...number of plagioclase phenocrysts varying from labradorite to oligoclase in composition are held by the |  | | Book | | Igneous Rocks of South-West England THE GEOLOGICAL CONSERVATION REVIEW SERIES The comparatively small land...earth's long history. Well-documented ancient volcanic episodes, famous fossil sites and sedimentary...Cambrian, Ordovician and Devonian systems, the Ludlow Series and the Kimmeridgian and Portlandian stages. The...and the Countryside Council for Wales. The GCR series of volumes will review the current state of knowledge...palaeontological or mineralogical topic. The full series of approximately 50 volumes will be published by |  | | Book | | . of the country around Exeter • GEOLOGICAI~SUCCESSION IN THE EXETER DISTRICT Quaternary (Drift}...Carhonifrrous - Ill - Geology of the country around Exeter This 1nemoir incorporates general and detailed...accounts of all the geological forn1ations in lhe Exeter district, based on 1:10 000 scale mapping. Used...Used in conjunction with the l: 50 000 series Sheet 325 Exeter, it will prove of value and interest to many...rural district is centred on the cathedral city of Exeter, and enco1npasses a wide variety of landscapes |  | Edmons, E. A., Wright, J. E., Beer, K. E., Hawkes, J. R., Williams, M., Freshney, E. C., Fenning, P. J. (1968) Geology of the Country around Okehampton (Explanation of One-inch Geological Sheet 324, New Series) Memoirs of the Geological Survey. Institute of Geological Sciences | Report (issue) | | MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Country around OKEHAMPTON...Explanation of One-inch Geological Sheet 324, New Series) BY E.A. EDMONDS, M.Sc., J.E. WRIGHT, B. Sc.,...Beche. His 'Report on the Geology of Cornwall, Devon, and West Somerset' (1839) was the first memoir...the Mining Record Office. Unfortunately the old series maps (Sheets 25 and 26) of the district, in common...other early Geological Survey maps of south-west England, are undated, but it is believed that they were |  | | Journal (issue) | | The: lKcurrence of sphalerite in Leicestershire, England R.J. King 15 Lead-zi nc-copper-arsenic-baryte...e mineralization from Clevedon, near Bristol, England R.A. lxer, R.A. D. Pat/rick and R.E. Starkey NOTES...Cinnabar from Stancombe quarry, near Bristol, England N. Zachariades CONSERVING BRITA[N S MINERALOGICAL...British minerals, especially those of northern England. Many of the country's museums have benefited from...amateur, especially one so prominent in the north of England, where Sir Arthur Russell, too, made important |  | | Report (volume) | | Rocks Geological Society Special Publications Series Editor K. C 0 E GEOLOGICAL SOCIETY SPECIAL...rocks I. Fitton, J.G. II. Upton, B. G. J. III. Series 552'. 1 QE462.A4 Alkaline igneous rocks. (Geological...B. G.J. III. Geological Society of London. IV. Series. QE462.A4A43 1987 552'. 1 86-26364 ISBN0-632-01616-7...for much of our knowledge of the tectonic and volcanic evolution of the East African Rift. An obituary...preceded by a phase of continental rifting, leaving volcanic and intrusive complexes stranded along passive |
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