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Christopher Jeans

cjeans

Christopher Jeans BSc, PhD, FGS, F Min Soc.

Cambridge Quaternary
Department of Geography

University of Cambridge
Downing Street
Cambridge CB2 3EN
England, UK

Phone +44 1223 333399
Fax +44 1223 333392

e-mail: cj302@cam.ac.uk



Research Interests

Christopher Jeans is a self-supported consultant post-doctoral worker, and an affiliated member of the QPG. He is a research earth scientist specialising in the geology, petrology and geochemistry of sedimentary rocks and soils with extensive experience in their application to the needs of Industry and Society. Particularly in problems involving oil and gas exploration and production, the distribution and effects of clay minerals in the natural environment, and the use of forensic soil evidence in murder and other criminal trials. Research interests are the interrelationship between sediments/soils and clay mineralogy/geochemistry with special regard to the Mesozoic rocks of Europe (particularly the Upper Cretaceous Chalk) and New Zealand.

Awards

Chris will be awarded the Collins Medal for 2013 by the Mineralogical Society of Great Britain and Ireland. He was already made an Honorary Fellow of the Society in 2011.

'The Collins Medal will be awarded annually to a scientist who, during a long and active career, has made an outstanding contribution to pure or applied aspects of Mineral Sciences and associated studies. Publications, teaching, outreach and other activities leading to the promotion of mineral sciences, in the broadest sense, will be taken into account in making the award. Nominees do not have to be Members of the Mineralogical Society or nationals of Great Britain and Ireland.'

collinsmedal

Publications

1968 The origin of the montmorillonite of the European Chalk with special reference to the Lower Chalk of England. Clay Minerals, 7, 311-29.

1971 The neoformation of clay minerals in brackish and marine environments. Clay Minerals, 9, 209-17.

1973 The Market Weighton Structure: tectonics, sedimentation and diagenesis during the Cretaceous. Proc. Yorks. Geol. Soc., 39, 409-44.

1977 (with R.J.Merriman & J.G.Mitchell) Origin of Middle Jurassic and Lower Cretaceous fuller's earths in England. Clay Minerals, 12, 11-44.

1978 Silicification and the associated clay assemblages in the Cretaceous marine strata of southern England. Clay Minerals, 13, 101-26.

1978 The origin of the Triassic clay assemblages of Europe with special reference to the Keuper Marl and the Rhaetic of parts of England. Phil. Trans. Roy. Soc. Lond, series A, 289, 549-639.

1979 (with R.K.Harrison & R.J.Merriman) Mesozoic igneous rocks, hydrothermal mineralization and volcanogenic sediments in Britian and adjacent regions. Bull. Geol. Surv. GB., 70, 57-69.

1980 (edited with P.F.Rawson) Andros Island, Chalk and Oceanic oozes: unpublished work of Maurice Black. Yorks. Geol. Soc. Occasional Paper no.5, 100pp.

1980 Early submarine lithification in the Red Chalk and Lower Chalk of eastern England: a bacterial control model and its implications. Proc. Yorks. Geol. Soc., 43, 81-157.

1982 (with M.J.Fisher) Clay mineral stratigraphy in the Permo-Triassic red bed sequence of BNOC 72/10-1A, Western Approaches and the south Devon coast. Clay Minerals, 17, 79-89.

1982 (with R,J.Merriman, J.G.Mitchell, &D.J.Bland) Volcanic clays in the Cretaceous of southern England and northern Ireland. Clay Minerals, 17, 105-56.

1984 Patterns of mineral diagenesis; an introduction. Clay Minerals, 19, 263-270.

1986 Features of mineral diagenesis in hydrocarbon reservoirs; an introduction. Clay Minerals, 21, 429-441.

1986 (with M.J.Fisher) Diagenesis in Upper Jurassic marine sandstones from North Sea Well 14/26-1 and its significance. Clay Minerals, 21, 513-36.

1989 Clay diagenesis in sandstones and shales: an introduction. Clay Minerals, 24, 127-36.

1989 (with A.F.Atherton) Silicate and associated cements in an Oxfordian marine-freshwater transition, Inner Moray Firth, UK North Sea. Clay Minerals, 24, 317-338.

1991 (with D.Long, M.A.Hall, D.J.Bland & C.Cornford) The geochemistry of the Plenus Marls at Dover, England: evidence of fluctuating oceanographic conditions and of the glacial control during the development of the Cenomanian-Turonian d13 anomaly. Geological Magazine, 126, 603-32.

1993 (with S.J.B.Reed & M.Xing) Heavy mineral stratigraphy in the UK Trias: Western Approaches and the Central North Sea. In: Petroleum Geology of Northwest Europe: proceedings of the 4th Conference (J.R.Parker ed.). Pp.609-24. Geological Society, London.

1994 (with J.G.Mitchell, M.J.Fisher & M.Scherer)Origin of the Permo-Triassic clay mica assemblages. Clay Minerals, 29, 575-89.

1994 Clay diagenesis, overpressure and reservoir quality: an introduction, Clay Minerals, 29, 415-24.

1995 Clay mineral stratigraphy in Palaeozoic and Mesozoic red bed facies, onshore and offshore, UK. In: Dating & Correlation biostratigraphically barren strata (R.E.Dunay & E.A.Halwood eds). Geological Society Special Publication 89, 31-55.

1997 (with A.E.Fallick, M.J.Fisher, R.J.Merriman, R.M.Corfield & B.Manighetti) Clay- and zeolite-bearing Triassic sediments at Kaka Point, New Zealand: evidence of microbially influenced mineral formation from earliest diagenesis into the lowest grades of metamorphism. Clay Minerals, 32, 373-423.

2000 Mineral diagenesis and reservoir quality- the way forward: an introduction. Clay Minerals, 35, 3-4.

2000 (with D.S.Wray, R.J.Merriman &M.J.Fisher) Volcanogenic clays in Jurassic and Cretaceous strata of England and the North Sea Basin. Clay Minerals, 35, 25-55.

2001 (with J.G.Mitchell, M.J.Fisher, D.S.Wray & I.R.Hall) Age, origin and climatic signal of English Mesozoic clays based on K/Ar signatures. Clay Minerals, 36, 515-39.

2003 (with M.J.Fisher, J.I.Raine, R.J.Merriman, H.J.Campbell, A.E.Fallick, A.D.Carr &S.J.Kemp) Triassic sediments of the Kaka Point Structural Belt, South Island, New Zealand, and their relationship to the Murihiku Terrane, Jl Roy. Soc. New Zealand, 33, 57-84.

2005 (with M.J.Fisher & R.J.Merriman) Origin of the clay mineral assemblages in the Germanic facies of the English Trias: application of the spore colour index method. Clay Minerals, 40, 115-29.

2005 (with D.S.Wray, J.G.Mitchell & P.Ditchfield) Correlation between the basal part of the Lower Cretaceous Speeton Clay Formation, Yorkshire, and the Purbeck Limestone Group, Dorset: a bentonite tie line. Proc. Yorks. Geol. Soc., 55, 183-97.

2006 (edited with R.J.Merriman) Clay minerals in onshore and offshore strata of the British Isles. Mineralogical Society of Great Britain and Ireland, 550pp.

2006 Clay mineralogy of the Cretaceous strata of the British Isles. Clay Minerals, 41, 47-150.

2006 Clay mineralogy of the Jurassic strata of the British Isles. Clay Minerals, 41, 187-307.

2006 Clay mineralogy of the Permo-Triassic strata of the British Isles: onshore and offshore. Clay Minerals, 41, 309-54.

clayminbook 2006 Clay minerals in onshore and offshore strata of the British Isles. (edited C.V.Jeans & R.J.Merriman) Mineralogical Society of Great Britain and Ireland, 550pp. Available from the Mineralogical Society of Great Britain & Ireland.

2009 Contrasting books on clay mineral science – how should they be judged? Acta Geodyn. Geomater., 6, 45-58.

2012 ( with Xiufang Hu & R. Mortimore) Calcite cements and the stratigraphical significance of marine ∂13C carbonate reference curve for the Upper Cretaceous Chalk of England. Acta Geologica Polonica 62, 173-196.