 | | Journal (article/letter/editorial) | | Society, January 1988 Late Permian fossils from Devon: regional geological implications G. WARRINGTON...Just, 30 Pennsylvania Road, Exeter EX4 6BX Current resurvey of the Exeter district (L50 000 geological...radiometric (K/Ar) dates from two rocks of the Exeter Volcanic Series (Miller et al. 1962; Miller and Mohr 1964)...et al. 1964), for deposits low in the NRS near Exeter (Laming 1965). Stratigraphically lower NRS beds...the youngest pre-Variscan sediments then known in Devon were Westphalian A in age (Laming 1965). This stratigraphic |  | EDWARDS, R. A., WARRINGTON, G., SCRIVENER, R. C., JONES, N. S., HASLAM, H. W., AULT, L. (1997) The Exeter Group, south Devon, England: a contribution to the
early post-Variscan stratigraphy of northwest Europe. Geological Magazine, 134 (2) 177-197 doi:10.1017/s001675689700664x | Journal (article/letter/editorial) | | Cambridge University Press 111 The Exeter Group, south Devon, England: a contribution to the early post-Variscan...Geological Survey, St. Just, 30 Pennsylvania Road, Exeter EX4 6BX, UK t British Geological Survey, Kingsley Dunham...Dunham Centre, Key worth, Nottingham NG12 5GG, UK (Received 25 July 1995; revised version received 9 October...the post-Variscan succession around Exeter, south Devon, England, comprises some 800 m of breccias, with...Variscan Deformation Front; they are assigned to the Exeter Group (new term). Geochronological and palaeontological |  | | Journal (article/letter/editorial) | | that the dyke is broadly coeval with the Exeter Volcanic Series, but that it also just predates many of...INTRODUCTION The Fremington dyke has been compared to the minette or mica traps of Cornwall by Dewey (1910), who...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....291 Ma; Hawkes, 1982) of the Exeter Volcanic Series in South and mid-Devon (ages determined by whole rock |  | | 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 |  | | Journal (article/letter/editorial) | | of Permian basaltic and K-rich volcanic rocks from south-west England R . S. T H O R P E , 1 M . E.... MK7 6AA, UK. 2Department of Geology, the University, Highfield, Southampton, SO5 9NH, UK ABSTRACT.Permian...Permian basic/ultrabasic lavas from southwest England may be divided into a 'basaltic' and a K-rich group...subduction of oceanic lithosphere below south-west England. The resultant magmas experiencedfractionalcrystallizationof...neodymiumisotopes, Permian lavas, south-west England. THE Peninsula of south-west England comprises deformed Palaeozoic |  | | Journal (article/letter/editorial) | | P P . 2 5 7 - 6 6 The Pendennis peralkaline minette A. HALL Department of Geology, King's College,...Strand, London WC2R 2LS ABSTRACT. The Pendennis minette has an exceptionally high K20/NazO ratio and is...the minette indicates close affinities with the lamproitic lavas. THE P e n d e n n i s minette occurs...example of the handful of minette dykes which occur in various parts of S W England. The intrusion is t a...the RE after a n ion-exchange separation. T h e minette is essentially a basic igneous rock with a very |  | | Report (edition) | | British Regional Geology I * South-West England r * FOURTH EDITION e ■ - O ” ..y 1835 Geological...British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) NATURAL ENVIRONMENT...Mr. G. Bisson (District Geologist, South-West England), as well as Professor W. R. Dearman and the con...in our knowledge of the geology of south-west England. Most of the great expanse of Carboniferous rocks...Isotopic age-determinations of rocks of south-west England ...... Facing 112 1. . . . List of Geological | | | Report (edition) | | British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) •• ll On 1... G .. Bisson (District Geologist, South--West England), as well as Professor W. R. Dearman and the con...in our knowledge of the geology of south-west England. Most of the great expanse of Carbonif�rous rocks...age-determinations of rocks of south-west . . . . . . . Facing England 1 112 List of Geological Survey Maps and Memoirs...positions prior to continental drift. South-west England is shown in . . . . . black . . . . . Generalized |  | | Report (edition) | | SCIENCES British Regional Geology South-West England (TH [RD EDITION) By E. A. Edmonds, M.Sc. M. C...world war, interest in the geology of south-west England has further inten ified. Much valuable work ha...done, and in 1962 the newly l"ormcd outh-we t England field unit of the Geological Survey began ix-inch...Mr. G. Bisson (District Geologi t. South-We t England, editor). Private workers whose publications have...countryside and natural history of south-west England. An EXHIBIT illustrating the geology and scenery |  | | Report (edition) | | AND MUSEUM BRITISH REGIONAL GEOLOGY SOUTH-WEST ENGLAND (SECOND EDITION) by HENRY DEWEY LONDON HER ...SURVEY AND REGIONAL MUSEUM GEOLOGY SOUTH-WEST ENGLAND (SECOND EDITION) by HENRY DEWEY YRIGHT RESERVED...Lower Devonian -----(a) Cornwall and South Devon (b) North Devon ------ - 17 17 17 19 (2) Middle Devonian...Devonian -----(a) Cornwall and South Devon _ _ _ lb) North Devon ------- - 22 22 22 (3) Upper Devonian...Devonian -----(a) Cornwall and South Devon lb) North Devon ------(c) Pillow lavas, sills and altered rocks - |  | | 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 |  | | Report (edition) | | meetings in London and, via Local Groups, throughout England and Wales. It conducts field meetings and publishes...WEST CORNWALL by A . Hall Third Edition Guide Series Editor; J.T. Greensmith © THE GEOLOGISTS' ASSOCIATION...metamorphosed Devonian sediments elsewhere in Cornwall and Devon, there are no fossils recognisable in the field...Austell district and at Lee Moor, further east in Devon. Accounts of the old mines are given in Dines (1956)...British Regional Geology handbook for South-west England (Edmonds, 1985) and in Geology of Cormvall (Selwood |  | | Journal (article/letter/editorial) | | GEOCHEMISTRY AND MINERALOGY BEDS OF SOUTHWEST ENGLAND OF THE PERMIAN RED M.E. COSGROVE Department...mineralogy of the Permian red beds of Southwest England. Chem. Geol., 11: 31-47. Detailed mineralogical...representing the Permian red bed sequence of Southwest England has been carried out. Mineral-element correlations...carbonate factor; halide and sulphate factors and a volcanic enrichment factor. The behaviour of elements in...INTRODUCTION The Permian red bed sequence of Southwest England rests with marked unconformity on the Palaeozoic |  | | Report (edition) | | meetings in London and, via Local Groups, throughout England and Wales, conducts field meetings and publishes...metamorphosed Devonian sediments elsewhere in Cornwall and Devon, there are no fossils recognisable in the field...although it has ceased in other parts of southwest England, it has continued to the present day in the west...British Regional Geology handbook for South-West England (Edmonds, McKeown & Williams, 1969), and the igneous...the cliffs next to the ‘First and Last House in England’. The difference between the granites can be seen |  | | Report (chapter) | | pyroclastics (welded tufts, piperno, air-faU tufts, volcanic breccias etc.), cinder cones, dykes, sills and...mineralogy, mineral chemistry, geochemistry and volcanic extrusive character. Relative to kimberlites,...statistical study of 835 leucitenormative Cenozoic volcanic rocks and recognized two compositionally-distinct...geochemistry in devising his nomenclature for volcanic rocks, placed lamproites in the 'lamproitic phonolite'...Wolgidee Hill); (d) Fitzroy Basin (WKB) magmatic and volcanic rocks (Mount North phlogopite lamproite, vesicular |  | | Journal (issue) | | into the geology and geomorphology of south-west England Volume 6 Part 3 1986 Edited by G.M Power The...into the geology and geomorphology of southwest England and the surrounding marine areas; to hold Annual...Annual Conferences at various places in South West England where those engaged in this research can meet formally...Department of Geology, University of Exeter, North Park Road, Exeter, Devon EX4 4QE Proceedings of the Ussher...The Kyrtonia Press, 115 High Street, Crediton, Devon EXl73LG Set in Baskerville and Printed by Photolithography |  | | Journal (issue) | | into the geology and geomorphology of south-west England Volume 6 Part 3 1986 Edited by G.M Power The...into the geology and geomorphology of southwest England and the surrounding marine areas; to hold Annual...Annual Conferences at various places in South West England where those engaged in this research can meet formally...Department of Geology, University of Exeter, North Park Road, Exeter, Devon EX4 4QE Proceedings of the Ussher...The Kyrtonia Press, 115 High Street, Crediton, Devon EXl73LG Set in Baskerville and Printed by Photolithography |  | | Journal (issue) | | and cavity inlills in the Plymouth Limestone (S. Devon). By M. J. Orchard . . . . . . . . . . . . . . ...correlations of the Haldlon and Aller Gravels, south Devon. By R. J. O. Hamblin . . . . . . . . . . . . . ... . . . . . 103 Gradients of buried channels in Devon. By E. M. Durrance. . 111 Some aspects of Quaternary...Quaternary fluvial activity in south-west Cornwall, England. By Alan C. Wilson . . . . . . . . . . . . . ....distribution of zinc and Copper in the granites of S. W. England and its relationship to the geochemistry of the |  | | 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 |  | | Book | | Limited The Gresham Press, Old Woking, Surrey, England A member of the Staples Printing Group Preface...46 55 63 Lewisian Torridonian-Moinian Series Dalradian Series Celtic Cycle III The Lower Palaeozoic...Ordovician System The Tremadoc Series Ordovician sedimentation The Ordovician volcanic rocks The Ordovician System...English Midlands The Silurian rocks of northern England The Silurian rocks of the south of Scotland The...Devonian System 159 The south-west Peninsula of England The rocks (‘slates’ = Killas) of south Cornwall |
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