J. G. Mitchell

发表

Evidence for a Normal Geomagnetic Field Polarity Event at 263 ± 5 m.y. BP within the Late Palaeozoic Reversed Interval

K. Creer, J. G. Mitchell, D. Valencio, 1971 .

Long lag times and high velocities in the motility of natural assemblages of marine bacteria

J. G. Mitchell, L. Pearson, A. Bonazinga, 1995, Applied and environmental microbiology.

Natural assemblages of marine bacteria exhibiting high-speed motility and large accelerations

J. G. Mitchell, L. Pearson, S. Dillon, 1995, Applied and environmental microbiology.

Bacterial swimming strategies and turbulence.

B. Bergersen, J. G. Mitchell, B Bergersen, 1999, Biophysical journal.

Chronology of Neogene and Quaternary uplift and magmatism in the Caucasus: constraints from K–Ar dating of volcanism in Armenia

J. G. Mitchell, R. Westaway, 1999 .

Genesis of collision volcanism in Eastern Anatolia, Turkey

W. Kidd, J. Bender, J. G. Mitchell, 1990 .

Origin of the Permo-Triassic clay mica assemblage

J. G. Mitchell, C. Jeans, M. Scherer, 1994, Clay minerals.

Volcano-stratigraphy and geochemistry of collision-related volcanism on the Erzurum–Kars Plateau, northeastern Turkey

M. Keskin, J. G. Mitchell, J. Pearce, 1998 .

Neogene and Quaternary Volcanism of Southeastern Turkey

J. G. Mitchell, R. Westaway, J. Arger, 2000, Geological Society, London, Special Publications.

Age of Fault Movements in Tanzanian Sector of East African Rift System

J. Dawson, J. G. Mitchell, R. M. Macintyre, 1974, Nature.

Riftward younging of volcanic units in the Addis Ababa region, Ethiopian rift valley

J. G. Mitchell, D. Rex, P. Mohr, 1979, Nature.

Quaternary volcanism and faulting at O’A caldera, central ethiopian rift

P. Mohr, J. G. Mitchell, P. Mohr, 1980 .

Pleistocene explosions and pyroclastic currents in west‐central Anatolia

W. Nemec, J. G. Mitchell, N. Kazancı, 1998 .

K-Ar and 40Ar/39Ar whole-rock ages of slate/phyllite from allochthonous basement and cover in the tectonic windows of Finnmark, Norway: Evaluating the extent and timing of Caledonian tectonothermal activity

J. G. Mitchell, R. D. Dallmeyer, A. Andresen, 1988 .

Ultrapotassic Magmas along the Flanks of the Oligo-Miocene Rio Grande Rift, USA: Monitors of the Zone of Lithospheric Mantle Extension and Thinning Beneath a Continental Rift

M. A. Morrison, G. Hendry, J. G. Mitchell, 1993 .

Petrogenetic evolution of late Cenozoic, post-collision volcanism in western Anatolia, Turkey

J. G. Mitchell, M. Thirlwall, J. Pearce, 2000 .

Early Miocene continental extension-related basaltic magmatism at Walton Peak, northwest Colorado: further evidence on continental basalt genesis

M. A. Morrison, G. Hendry, J. G. Mitchell, 1993, Journal of the Geological Society.

The Permo-Carboniferous dyke-swarm of northern Argyll and its bearing on dextral displacement on the Great Glen Fault

J. G. Mitchell, J. Speight, 1979, Journal of the Geological Society.

The Late Cretaceous Impact of the Trindade Mantle Plume: Evidence from Large-volume, Mafic, Potassic Magmatism in SE Brazil

J. G. Mitchell, O. Leonardos, S. Gibson, 1995 .

Inert gas abundances in basalts of the Lesser Antilles island arcs: possible implications for their volcanic evolution

J. G. Mitchell, D. J. Terrell, 1983 .

Lamprophyric volcanism of Cenozoic age on the Sierra Leone Rise: Implications for regional tectonics and the stratigraphic time scale

F. T. Banner, E. Jones, J. G. Mitchell, 1991 .

A post-Caledonian dolerite dyke from Magerøy, North Norway: age and geochemistry

J. G. Mitchell, D. Roberts, T. Andersen, 1991 .

Reconnaissance potassium–argon geochronology of the Suregei–Asille district, northern Kenya

J. Miller, J. G. Mitchell, P. Hooker, 1985, Geological Magazine.

Revised Cenozoic polarity time scale

D. Tarling, J. G. Mitchell, 1976 .

New K/Ar Determinations on Rift Volcanics of S. Kenya and their Bearing on Age of Rift Faulting

J. G. Mitchell, J. Fairhead, L. Williams, 1972 .

Palaeomagnetic and Radiometric Dating Results from Jurassic Intrusions in South Morocco

J. G. Mitchell, E. Hailwood, 1971 .

Palaeomagnetic and Radiometric Evidence for the Age of the Lower Boundary of the Kiaman Magnetic Interval in South America

J. G. Mitchell, R. Thompson, 1972 .

Palaeomagnetism and radiometric age of the Jurassic Chon Aike formation from Santa Cruz Province, Argentina: implications for the opening of the South Atlantic

K. Creer, J. G. Mitchell, J. Deeb, 1972 .

A survey of British metamorphic hone stones of the 9th to 15th centuries AD in the light of potassium-argon and natural remanent magnetization studies

J. G. Mitchell, D. Crosby, 1987 .

Correlation between the basal part of the Lower Cretaceous Speeton Clay Formation, Yorkshire, and the Purbeck Limestone Group, Dorset: a bentonite tie line

P. Ditchfield, D. Wray, J. G. Mitchell, 2005 .

Age, origin and climatic signal of English Mesozoic clays based on K/Ar signatures

D. Wray, J. G. Mitchell, C. Jeans, 2001, Clay Minerals.

Volcanic clays in the Cretaceous of southern England and Northern Ireland

J. G. Mitchell, C. Jeans, D. J. Bland, 1982, Clay Minerals.

Velocity changes, long runs, and reversals in the Chromatium minus swimming response

J. Lalucat, J. G. Mitchell, I. Esteve, 1991, Journal of bacteriology.

From egg to hatchling: preferential retention of fatty acid biomarkers in young-of-the-year Port Jackson sharks Heterodontus portusjacksoni.

L. Seuront, J. G. Mitchell, C. Huveneers, 2014, Journal of fish biology.

Palaeomagnetism and K-Ar Ages of the South-west African Basalts and their Bearing on the Time of Initial Rifting of the South Atlantic Ocean

K. Creer, J. G. Mitchell, A. Gidskehaug, 2007 .

Episodic mesozoic volcanism in Namibia and Brazil: A K—Ar Isochron study bearing on the opening of the south atlantic

J. G. Mitchell, G. Siedner, 1976 .

Migrating Cretaceous–Eocene Magmatismin the Serra do Mar Alkaline Province,SE Brazil: Melts from the Deflected Trindade Mantle Plume?

J. C. Greenwood, J. G. Mitchell, J. A. Brod, 1998 .

The limited extent of plume-lithosphere interactions during continental flood-basalt genesis: geochemical evidence from Cretaceous magmatism in southern Brazil

J. G. Mitchell, O. Leonardos, S. Gibson, 1999 .

The Serra do Bueno potassic diatreme: a possible hypabyssal equivalent of the ultramafic alkaline volcanics in the Late Cretaceous Alto Paranaίba Igneous Province, SE Brazil

J. G. Mitchell, O. Leonardos, S. Gibson, 1994, Mineralogical Magazine.

A model of single-stage concomitant potassium—argon exchange in acidic lavas from the erlend volcanic complex, North of Shetland Islands

J. G. Mitchell, Miguel G. Euwe, 1988 .

The Age of the Hoy Lavas, Orkney

J. G. Mitchell, A. Halliday, A. McAlpine, 1977, Scottish Journal of Geology.

Mechanoreception in calanoid copepods

A. Ōkubo, J. Fuhrman, J. G. Mitchell, 1986 .

A new approach to radio-isotopic dating in orogenic belts

J. Miller, J. G. Mitchell, F. J. Fitch, 1969, Geological Society, London, Special Publications.

OF ALTERED SAMPLES FROM DEEP SEA DRILLING PROJECT HOLES 501 , 504 B , AND 505 B , COSTA RICA RIFT

J. G. Mitchell, D. J. Terrell, 2006 .

Prevalence of virus-like particles within a staghorn scleractinian coral (Acropora muricata) from the Great Barrier Reef

P. Harrison, J. G. Mitchell, N. Patten, 2008, Coral Reefs.

On dating the magmatism of Maio, Cape Verde Islands

H. Furnes, J. G. Mitchell, M. J. Bas, 1983 .

Early Tertiary igneous activity west of the Outer Hebrides, Scotland — Evidence from magnetic anomalies and dredged basaltic rocks

E. Jones, J. G. Mitchell, R. G. Perry, 1986 .

Isotopic age determinations on clay minerals from lavas and tuffs of the Derbyshire orefield

J. G. Mitchell, P. R. Ineson, 1972, Geological Magazine.

Camptonite-Monchiquite dyke swarms of Northern Scotland; Age relationships and their implications

J. G. Mitchell, A. N. Baxter, 1984, Scottish Journal of Geology.

Origin of Middle Jurassic and Lower Cretaceous fuller's earths in England

J. G. Mitchell, C. Jeans, R. Merriman, 1977, Clay Minerals.

Carboniferous dikes of West Connacht, Ireland

P. Mohr, J. G. Mitchell, 1987, Transactions of the Royal Society of Edinburgh: Earth Sciences.

K-Ar isotopic age determination from some Scottish mineral localities

J. G. Mitchell, P. R. Ineson, 1975 .

K–Ar ages of clay concentrates from Irish orebodies and their bearing on the timing of mineralisation

J. G. Mitchell, A. Halliday, 1983, Transactions of the Royal Society of Edinburgh: Earth Sciences.

Potassium–argon ages from the Cheviot Hills, northern England

J. G. Mitchell, 1972, Geological Magazine.

Dating of the Palaeocene - Eocene Blosseville Group basalts, Scoresby Sund, East Greenland: a review

J. G. Mitchell, G. Odin, 1983 .

The coast-parallel dolerite dykes of east Madagascar; age of intrusion, remagnetization and tectonic aspects

J. G. Mitchell, K. Storetvedt, S. Maaløe, 1992 .

Stratigraphy of the Rotliegend Group in the Danish part of the Northern Permian Basin, North Sea

J. G. Mitchell, L. Stemmerik, J. Ineson, 2000, Journal of the Geological Society.

Martin Frobisher's northwest venture, 1576-1581: Mines, minerals and metallurgy

J. G. Mitchell, D. Hogarth, P. Boreham, 1993 .

KAr ages of clay-size concentrates from the mineralisation of the Pedroches Batholith, Spain, and evidence for Mesozoic hydrothermal activity associated with the break up of Pangaea

J. G. Mitchell, A. Halliday, 1984 .

Stratigraphy, geochronology and volcano-tectonic evolution of the Kedong–Naivasha–Kinangop region, Gregory Rift Valley, Kenya

J. G. Mitchell, B. H. Baker, L. Williams, 1988, Journal of the Geological Society.

Magnetic, chemical, petrographic and isotopic age studies of the Windy Knowe Tertiary dyke. Borders Region, Scotland

J. G. Mitchell, I. Wilkinson, P. R. Ineson, 1989 .

Investigating the effects of urban input on the abundance and diversity of potential bio-floc forming bacteria in the River Murray, South Australia

J. G. Mitchell, L. Dann, K. Kurniawan, 2020, IOP Conference Series: Earth and Environmental Science.

Ages of lamprophyre dykes from Ytterøy and Lerkehaug, near Steinkjer, Central Norwegian Caledonides

J. G. Mitchell, D. Roberts, 1986 .

40Ar/39Ar and K/Ar geochronology of the dykes from the south Indian granulite terrain

J. G. Mitchell, H. Maluski, M. Joseph, 1999 .

Sedimentation, petrogenesis and radioisotopic age of the Cretaceous fuller's earth of Southern England

J. Miller, J. G. Mitchell, F. J. Fitch, 1972, Clay minerals.

Radiogenic argon and major-element loss from biotite during natural weathering: A geochemical approach to the interpretation of potassium—argon ages of detrital biotite

J. Miller, J. G. Mitchell, P. R. Ineson, 1988 .

The argon-40argon-39 method for potassium-argon age determination

J. G. Mitchell, J. G Mitchell, 1968 .

Structural, KAr and40Ar39Ar age studies of adularia K-feldspars from the Lizard Complex, England

J. G. Mitchell, A. Halliday, 1976 .

Jurassic ages from intrusives and extrusives within the Forties igneous province

J. Swallow, J. G. Mitchell, A. Morton, 1988, Scottish Journal of Geology.

The offshore continuation of the Moine Thrust north of Shetland as deduced from basement isotopic ages

J. G. Mitchell, K. Hitchen, J. Ritchie, 1987, Scottish Journal of Geology.

The geochronological significance of argon-40/argon-39 age determinations on White Whin from the northern Pennine orefield

J. Miller, J. G. Mitchell, K. Dunham, 1968, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

K-Ar dating of epigenetic mineral deposits; an investigation of the Permian metallogenic province of the Oslo region, southern Norway

J. G. Mitchell, F. M. Vokes, P. R. Ineson, 1975 .

K–Ar and Rb–Sr isotopic age studies on the Wolf Rock nosean phonolite, Cornwall

J. G. Mitchell, R. M. Macintyre, I. R. Pringle, 1975, Geological Magazine.

Potassium and argon loss patterns in weathered micas: Implications for detrital mineral studies, with particular reference to the triassic palaeogeography of the British Isles

J. G. Mitchell, A. S. Taka, 1984 .

Geochemistry of basalt lavas from Vestfjella and adjacent areas, Dronning Maud Land, Antarctica

H. Furnes, H. Austrheim, J. G. Mitchell, 1987 .

Petrogenesis of collision-related plutonics in Central Anatolia, Turkey

N. Ilbeyli, J. G. Mitchell, M. Thirlwall, 2004 .

Noble gas elemental abundances in polymorphs of silica

R. Lawley, J. G. Mitchell, P. R. Ineson, 1992 .

Potassium-argon isotopic age determinations from the metasomatic alteration of the Great Limestone, Northern Pennine Orefield

J. G. Mitchell, P. R. Ineson, J. Davison, 1992 .

K-Ar dating of dolerite dykes in the Kongsberg-Fiskum district, Norway, and their relationships with the silver and base metal veins

J. G. Mitchell, F. M. Vokes, P. R. Ineson, 1984 .

K/Ar Dating of Clay-Mineral Alteration Associated with Ore Deposition in the Northern Part of the Oslo Region

J. G. Mitchell, P. R. Ineson, P. Ihlen, 1978 .

Further K/Ar Determinations on Clay Mineral Alteration Associated with Fluorite Deposition in Southern Norway

J. G. Mitchell, F. M. Vokes, P. R. Ineson, 1978 .

Evidence for Carboniferous thermochemical overprinting in the Cheviot Complex

J. G. Mitchell, K. Storetvedt, P. R. Ineson, 1993, Scottish Journal of Geology.

Proterozoic basic dyke activity in Kerala along the western continental margin of India

J. G. Mitchell, A. S. Venkatesh, T. Radhakrishna, 1986 .

The influence of Phaeocystis globosa on microscale spatial patterns of chlorophyll a and bulk-phase seawater viscosity

James G. Mitchell, L. Seuront, J. Seymour, 2007 .

Archaeomonad (Chrysophyta) cysts: ecological and paleoecological significance.

M. Silver, J. G. Mitchell, 1986, Bio Systems.

A new kinematic model for Iberia; further palaeomagnetic and isotopic age evidence

J. G. Mitchell, K. Storetvedt, M. Abranches, 1990 .

Palaeomagnetism and isotopic age data from Upper Cretaceous igneous rocks of W. Portugal; geological correlation and plate tectonic aspects

J. G. Mitchell, K. Storetvedt, M. Abranches, 1987 .

Fission-track and K-Ar dating of tectonic activity in a transect across the Møre-Trøndelag fault zone, central Norway

J. G. Mitchell, P. R. Ineson, C. Naeser, 1994 .

Geochemistry and petrogenesis of proterozoic mafic dykes in north Kerala, southwestern Indian Shield - Preliminary results

A. V. Murali, J. G. Mitchell, K. Gopakumar, 1991 .

K—Ar isotopic age determinations from some Lake District mineral localities

J. G. Mitchell, P. R. Ineson, 1974, Geological Magazine.

The age of mineralisation at Parys Mountain, Anglesey

J. G. Mitchell, P. R. Ineson, M. Nutt, 1979, Geological Society, London, Special Publications.

Palaeomagnetic and geochronological work in central west greenland

J. G. Mitchell, G. Beckmann, 1976 .

Asthenosphere-derived magmatism in the Rio Grande rift, western USA: implications for continental break-up

M. A. Morrison, G. Hendry, J. G. Mitchell, 1992, Geological Society, London, Special Publications.

A paleomagnetic and isotopic age for the Wackerfield Dyke of northern England

D. Tarling, J. G. Mitchell, H. Spall, 1973 .

Genesis and Significance of Glauconitic Sediments of the Southwest Rockall Plateau

J. G. Mitchell, A. Morton, R. Merriman, 1984 .

Potassium–argon ages from the Tertiary Ring Complexes of the Ardnamurchan Peninsula, Western Scotland

J. G. Mitchell, K. Keen, 1973, Geological Magazine.

ISOTOPIC AGE DETERMINATIONS ON A BASALT INTRUSION AND ULTRABASIC XENOLITHS, SOUTH BUTE, SCOTLAND

J. G. Mitchell, P. R. Ineson, D. S. Buist, 1980 .

Downhole Variation of Potassium, Inert Gas Abundance, and Apparent K-Ar Age in Basalts from the Costa Rica Rift, Hole 504B, Leg 83, Deep Sea Drilling Project

J. G. Mitchell, D. J. Terrell, 1985 .

K-Ar ages from the ore deposits and related rocks of the Isle of Man

J. G. Mitchell, P. R. Ineson, 1979, Geological Magazine.

Age of a K-feldspar megacrystic granite from the Burgeo intrusive suite, and timing of tungsten mineralization at Grey River, southern Newfoundland

J. G. Mitchell, A. Halliday, N. Higgins, 1990 .

Complete remagnetization of some Permian dykes from western Norway induced during burial/uplift

J. G. Mitchell, R. Løvlie, 1982 .

Oligocene lamproite containing an Al-poor, Ti-rich biotite, Middle Park, northwest Colorado , USA

M. A. Morrison, J. G. Mitchell, P. Leat, 1997, Mineralogical Magazine.

Potassium-argon ages of schist honestones from the viking age sites at Kaupang (Norway), Aggersborg (Denmark), Hedeby (West Germany) and Wolin (Poland), and their archaeological implications

J. G. Mitchell, H. Askvik, H. Resi, 1984 .

Inert-Gas Contents of Altered Samples from Deep Sea Drilling Project Holes 501, 504B, and 505B, Costa Rica Rift

J. G. Mitchell, D. J. Terrell, 1983 .

Perturbation of the KAr age system in the Cleveland dyke, U.K.: Evidence of an Early Eocene age for barite mineralisation in the Magnesian Limestone of County Durham

J. G. Mitchell, P. Rands, P. R. Ineson, 1989 .

KAr data for the age and evolution of Gettysburg Bank, North Atlantic Ocean

J. G. Mitchell, H. Prichard, 1979 .

Volcanic chronology of the Men–Kilimanjaro region, Northern Tanzania

J. G. Mitchell, P. Cattermole, P. Wilkinson, 1986, Journal of the Geological Society.

Anomalous palaeomagnetic directions in a Mesozoic basaltic dyke; arguments for fault-induced remagnetization

J. G. Mitchell, R. Løvlie, 1989 .

The Sagatu Ridge dyke swarm, Ethiopian rift margin: revised age and new Sr-isotopic data

P. Mohr, J. G. Mitchell, P. S. Kennan, 1990 .

Potassium argon dating of gamma-irradiated minerals

J. G. Mitchell, 1972 .

Siliceous nanoplankton. II. Newly discovered cysts and abundant choanoflagellates from the Weddell Sea, Antarctica

D. L. Ringo, M. Silver, James G. Mitchell, 1980 .

Clustering of marine bacteria in seawater enrichments

J. G. Mitchell, L. Pearson, S. Dillon, 1996, Applied and environmental microbiology.

Formation of 30- to 40-micrometer-thick laminations by high-speed marine bacteria in microbial mats

J. G. Mitchell, G. Barbara, 1996, Applied and environmental microbiology.

Igneous Rocks dredged from the Rockall Plateau

E. Jones, J. G. Mitchell, J. Phillips, 1972 .

Radiometric Age of the Devonian Polar Shift relative to Europe

K. Creer, J. G. Mitchell, B. Embleton, 1971 .

CLOD Spreading in the Sea-Surface Microlayer

J. G. Mitchell, M. S. Hale, 1995, Science.

Models of single-stage concomitant potassium-argon exchange: an interpretation of discordant whole rock K-Ar data from hydrothermally altered igneous rocks of the South Pennine Orefield, U.K.

J. G. Mitchell, P. R. Ineson, 1988 .