ALBERT

Description / Table of Contents: Lectures given at the International Conference on Differential Equations held at the University of Alabama in Birmingham during March 21-26, 1983

Description / Table of Contents: Organized and sponsored by Technical Committee (TC-7) on System Modelling and Optimization (IFIP) ... [et al.]

Description / Table of Contents: Mainland Europe --- K. Weber: Variscan events: early Palaeozoic continental rift metamorphism and late Palaeozoic crustal shortening / Geological Society, London, Special Publications, 14:3-22, doi:10.1144/GSL.SP.1984.014.01.02 --- R. Meissner, M. Springer, and E. Flüh: Tectonics of the Variscides in North-Western Germany based on seismic reflection measurements / Geological Society, London, Special Publications, 14:23-32, doi:10.1144/GSL.SP.1984.014.01.03 --- Wolfgang Franke: Late events in the tectonic history of the Saxothuringian zone / Geological Society, London, Special Publications, 14:33-45, doi:10.1144/GSL.SP.1984.014.01.04 --- J. P. Burg, Ph. Matte, A. Leyreloup, and J. Marchand: Inverted metamorphic zonation and large-scale thrusting in the Variscan Belt: an example in the French Massif Central / Geological Society, London, Special Publications, 14:47-61, doi:10.1144/GSL.SP.1984.014.01.05 --- Jean-Michel Quenardel and Patrick Rolin: Palaeozoic evolution of the Plateau d’Aigurande (NW Massif Central, France) / Geological Society, London, Special Publications, 14:63-70, doi:10.1144/GSL.SP.1984.014.01.06 --- S. C. Matthews: Northern margins of the Variscides in the North Atlantic region: comments on the tectonic context of the problem / Geological Society, London, Special Publications, 14:71-85, doi:10.1144/GSL.SP.1984.014.01.07 --- Britain --- M. P. Coward and S. Smallwood: An interpretation of the Variscan tectonics of SW Britain / Geological Society, London, Special Publications, 14:89-102, doi:10.1144/GSL.SP.1984.014.01.08 --- B. E. Leveridge, M. T. Holder, and G. A. Day: Thrust nappe tectonics in the Devonian of south Cornwall and the western English Channel / Geological Society, London, Special Publications, 14:103-112, doi:10.1144/GSL.SP.1984.014.01.09 --- T. J. Chapman, R. L. Fry, and P. T. Heavey: A structural cross-section through SW Devon / Geological Society, London, Special Publications, 14:113-118, doi:10.1144/GSL.SP.1984.014.01.10 --- J. W. F. Edwards: Interpretations of seismic and gravity surveys over the eastern part of the Cornubian platform / Geological Society, London, Special Publications, 14:119-124, doi:10.1144/GSL.SP.1984.014.01.11 --- Robert M. Shackleton: Thin-skinned tectonics, basement control and the Variscan front / Geological Society, London, Special Publications, 14:125-129, doi:10.1144/GSL.SP.1984.014.01.12 --- Russell S. Arthurton: The Ribblesdale fold belt, NW England—a Dinantian-early Namurian dextral shear zone / Geological Society, London, Special Publications, 14:131-138, doi:10.1144/GSL.SP.1984.014.01.13 --- M. F. Critchley: Variscan tectonics of the Alston block, northern England / Geological Society, London, Special Publications, 14:139-146, doi:10.1144/GSL.SP.1984.014.01.14 --- Ireland --- David J. Sanderson: Structural variation across the northern margin of the Variscides in NW Europe / Geological Society, London, Special Publications, 14:149-165, doi:10.1144/GSL.SP.1984.014.01.15 --- M. A. Cooper, D. Collins, M. Ford, F. X. Murphy, and P. M. Trayner: Structural style, shortening estimates and the thrust front of the Irish Variscides / Geological Society, London, Special Publications, 14:167-175, doi:10.1144/GSL.SP.1984.014.01.16 --- M. D. Max and J. P. Lefort: Does the Variscan front in Ireland follow a dextral shear zone? / Geological Society, London, Special Publications, 14:177-183, doi:10.1144/GSL.SP.1984.014.01.17 --- D. W. Coller: Variscan structures in the Upper Palaeozoic rocks of west central Ireland / Geological Society, London, Special Publications, 14:185-194, doi:10.1144/GSL.SP.1984.014.01.18 --- North America --- N. Rast: The Alleghenian orogeny in eastern North America / Geological Society, London, Special Publications, 14:197-217, doi:10.1144/GSL.SP.1984.014.01.19 --- Jean-Pierre Lefort and Richard T. Haworth: Geophysical evidence for the extension of the Variscan front on to the Canadian continental margin: geodynamic and palaeogeographic consequences / Geological Society, London, Special Publications, 14:219-231, doi:10.1144/GSL.SP.1984.014.01.20 --- Sharon Mosher and Nicholas Rast: The deformation and metamorphism of Carboniferous rocks in Maritime Canada and New England / Geological Society, London, Special Publications, 14:233-243, doi:10.1144/GSL.SP.1984.014.01.21 --- R. P. Wintsch and J.-P. Lefort: A clockwise rotation of Variscan strain orientation in SE New England and regional implications / Geological Society, London, Special Publications, 14:245-251, doi:10.1144/GSL.SP.1984.014.01.22 --- J. A. Brewer: Clues to the deep structure of the European Variscides from crustal seismic profiling in North America / Geological Society, London, Special Publications, 14:253-263, doi:10.1144/GSL.SP.1984.014.01.23

Description / Table of Contents: I. Nature and Formation of Oceanic Lithosphere --- Magma Chambers: Products and Processes --- J. A. Orcutt, M. Burnett, and J. S. McClain: Evolution of the ocean crust: results from recent seismic experiments / Geological Society, London, Special Publications, 13:7-16, doi:10.1144/GSL.SP.1984.013.01.01 --- M. R. Fisk: Depths and temperatures of mid-ocean-ridge magma chambers and the composition of their source magmas / Geological Society, London, Special Publications, 13:17-23, doi:10.1144/GSL.SP.1984.013.01.02 --- M. F. J. Flower: Spreading-rate parameters in ocean crust: analogue for ophiolite? / Geological Society, London, Special Publications, 13:25-40, doi:10.1144/GSL.SP.1984.013.01.03 --- J. D. Smewing, N. I. Christensen, I. D. Bartholomew, and P. Browning: The structure of the oceanic upper mantle and lower crust as deduced from the northern section of the Oman ophiolite / Geological Society, London, Special Publications, 13:41-53, doi:10.1144/GSL.SP.1984.013.01.04 --- R. T. Gregory: Melt percolation beneath a spreading ridge: evidence from the Semail peridotite, Oman / Geological Society, London, Special Publications, 13:55-62, doi:10.1144/GSL.SP.1984.013.01.05 --- J. S. Pallister: Parent magmas of the Semail ophiolite, Oman / Geological Society, London, Special Publications, 13:63-70, doi:10.1144/GSL.SP.1984.013.01.06 --- P. Browning: Cryptic variation within the Cumulate Sequence of the Oman ophiolite: magma chamber depth and petrological implications / Geological Society, London, Special Publications, 13:71-82, doi:10.1144/GSL.SP.1984.013.01.07 --- D. Elthon, J. F. Casey, and S. Komor: Cryptic mineral-chemistry variations in a detailed traverse through the cumulate ultramafic rocks of the North Arm Mountain massif of the Bay of Islands ophiolite, Newfoundland / Geological Society, London, Special Publications, 13:83-97, doi:10.1144/GSL.SP.1984.013.01.08 --- Fracture Zones --- R. S. White: Atlantic oceanic crust: seismic structure of a slow-spreading ridge / Geological Society, London, Special Publications, 13:101-111, doi:10.1144/GSL.SP.1984.013.01.09 --- J. M. Auzende, G. Ceuleneer, G. Cornen, T. Juteau, Y. Lagabrielle, G. Lensch, C. Mevel, A. Nicolas, H. Prichard, A. Ribeiro, E. Ruellan, and J. R. Vanney: Intraoceanic tectonism on the Gorringe Bank: observations by submersible / Geological Society, London, Special Publications, 13:113-120, doi:10.1144/GSL.SP.1984.013.01.10 --- J. Honnorez, C. Mevel, and R. Montigny: Occurrence and significance of gneissic amphibolites in the Vema fracture zone, equatorial Mid-Atlantic Ridge / Geological Society, London, Special Publications, 13:121-130, doi:10.1144/GSL.SP.1984.013.01.11 --- J. A. Karson: Variations in structure and petrology in the Coastal Complex, Newfoundland: anatomy of an oceanic fracture zone / Geological Society, London, Special Publications, 13:131-144, doi:10.1144/GSL.SP.1984.013.01.12 --- Mantle Structures --- A. Nicolas and M. Rabinowicz: Mantle flow pattern at oceanic spreading centres: relation with ophiolitic and oceanic structures / Geological Society, London, Special Publications, 13:147-151, doi:10.1144/GSL.SP.1984.013.01.13 --- Lavas and Sediments --- J. Malpas and G. Langdon: Petrology of the Upper Pillow Lava suite, Troodos ophiolite, Cyprus / Geological Society, London, Special Publications, 13:155-167, doi:10.1144/GSL.SP.1984.013.01.14 --- J. F. Boyle and A. H. F. Robertson: Evolving metallogenesis at the Troodos spreading axis / Geological Society, London, Special Publications, 13:169-181, doi:10.1144/GSL.SP.1984.013.01.1--- Isotope Studies & Metamorphism --- D. Elthon, J. R. Lawrence, R. E. Hanson, and C. Stern: Modelling of oxygen-isotope data from the Sarmiento ophiolite complex, Chile / Geological Society, London, Special Publications, 13:185-197, doi:10.1144/GSL.SP.1984.013.01.16 --- D. S. Stakes, H. P. Taylor , jr, and R. L. Fisher: Oxygen-isotope and geochemical characterization of hydrothermal alteration in ophiolite complexes and modern oceanic crust / Geological Society, London, Special Publications, 13:199-214, doi:10.1144/GSL.SP.1984.013.01.17 --- M. J. Thirlwall and B. J. Bluck: Sr-Nd isotope and chemical evidence that the Ballantrae ‘ophiolite’, SW Scotland, is polygenetic / Geological Society, London, Special Publications, 13:215-230, doi:10.1144/GSL.SP.1984.013.01.18 --- M. A. Menzies: Chemical and isotopic heterogeneities in orogenic and ophiolitic peridotites / Geological Society, London, Special Publications, 13:231-240, doi:10.1144/GSL.SP.1984.013.01.19 --- Zulfiqar Ahmed and A. Hall: Petrology and mineralization of the Sakhakot-Qila ophiolite, Pakistan / Geological Society, London, Special Publications, 13:241-252, doi:10.1144/GSL.SP.1984.013.01.20 --- II. Emplacement (Obduction) of Ophiolites --- Ophiolite Emplacement and Obduction --- J. G. Spray: Possible causes and consequences of upper mantle decoupling and ophiolite displacement / Geological Society, London, Special Publications, 13:255-268, doi:10.1144/GSL.SP.1984.013.01.21 --- J. F. Casey and J. F Dewey: Initiation of subduction zones along transform and accreting plate boundaries, triple-junction evolution, and forearc spreading centres—implications for ophiolitic geology and obduction / Geological Society, London, Special Publications, 13:269-290, doi:10.1144/GSL.SP.1984.013.01.22 --- Y. Ogawa and J. Naka: Emplacement of ophiolitic rocks in forearc areas: Examples from central Japan and Izu-Mariana-Yap island arc system / Geological Society, London, Special Publications, 13:291-301, doi:10.1144/GSL.SP.1984.013.01.23 --- M. P. Searle and R. K. Stevens: Obduction processes in ancient, modern and future ophiolites / Geological Society, London, Special Publications, 13:303-319, doi:10.1144/GSL.SP.1984.013.01.24 --- N. H. Woodcock and A. H. F. Robertson: The structural variety in Tethyan ophiolite terrains / Geological Society, London, Special Publications, 13:321-330, doi:10.1144/GSL.SP.1984.013.01.25 --- Regional Studies --- H. Colley: An ophiolite suite in Fiji? / Geological Society, London, Special Publications, 13:333-340, doi:10.1144/GSL.SP.1984.013.01.26 --- H. L. Davies and A. L. Jaques: Emplacement of ophiolite in Papua New Guinea / Geological Society, London, Special Publications, 13:341-349, doi:10.1144/GSL.SP.1984.013.01.27 --- J. S. Milsom: The gravity field of the Marum ophiolite complex, Papua New Guinea / Geological Society, London, Special Publications, 13:351-357, doi:10.1144/GSL.SP.1984.013.01.28 --- R. G. Coleman: Ophiolites and the tectonic evolution of the Arabian Peninsula / Geological Society, London, Special Publications, 13:359-366, doi:10.1144/GSL.SP.1984.013.01.29 --- G. Wadge, G. Draper, and J. F. Lewis: Ophiolites of the northern Caribbean: A reappraisal of their roles in the evolution of the Caribbean plate boundary / Geological Society, London, Special Publications, 13:367-380, doi:10.1144/GSL.SP.1984.013.01.30 --- B. A. Sturt, H. Furnes, and D. Roberts: A conspectus of Scandinavian Caledonian ophiolites / Geological Society, London, Special Publications, 13:381-391, doi:10.1144/GSL.SP.1984.013.01.31 --- R. Hall: Ophiolites: Figments of Oceanic Lithosphere? / Geological Society, London, Special Publications, 13:393-403, doi:10.1144/GSL.SP.1984.013.01.32 --- D. A. Rothery: The role of Landsat Multispectral Scanner (MSS) imagery in mapping the Oman ophiolite / Geological Society, London, Special Publications, 13:405-413, doi:10.1144/GSL.SP.1984.013.01.33

Description / Table of Contents: Weathering Processes --- M. J. Wilson and D. Jones: Lichen weathering of minerals: implications for pedogenesis / Geological Society, London, Special Publications, 11:5-12, doi:10.1144/GSL.SP.1983.011.01.01 --- D. A. Spears: Porewater reactions in the unsaturated zone with special reference to groundwater quality in England / Geological Society, London, Special Publications, 11:13-18, doi:10.1144/GSL.SP.1983.011.01.02 --- David C. Cawsey and Paul Mellon: A review of experimental weathering of basic igneous rocks / Geological Society, London, Special Publications, 11:19-24, doi:10.1144/GSL.SP.1983.011.01.03 --- Kaolinites, Laterites and Bauxites --- H. Wopfner: Kaolinisation and the formation of silicified wood on late Jurassic Gondwana surfaces / Geological Society, London, Special Publications, 11:27-31, doi:10.1144/GSL.SP.1983.011.01.04 --- J. Esteoule-Choux: Kaolinitic weathering profiles in Brittany: genesis and economic importance / Geological Society, London, Special Publications, 11:33-38, doi:10.1144/GSL.SP.1983.011.01.05 --- A. Vincent: The origin and occurrence of Devon Ball Clays / Geological Society, London, Special Publications, 11:39-45, doi:10.1144/GSL.SP.1983.011.01.06 --- S. K. Monro, F. C. Loughnan, and M. C. Walker: The Ayrshire Bauxitic Clay: an allochthonous deposit? / Geological Society, London, Special Publications, 11:47-58, doi:10.1144/GSL.SP.1983.011.01.07 --- T. R. Marshall, B. J. Amos, and D. Stephenson: Base metal concentrations in kaolinised and silicified lavas of the Central Burma volcanics / Geological Society, London, Special Publications, 11:59-68, doi:10.1144/GSL.SP.1983.011.01.08 --- M. J. McFarlane: A low level laterite profile from Uganda and its relevance to the question of parent material influence on the chemical composition of laterites / Geological Society, London, Special Publications, 11:69-76, doi:10.1144/GSL.SP.1983.011.01.09 --- Ida Valeton: Palaeoenvironment of lateritic bauxites with vertical and lateral differentiation / Geological Society, London, Special Publications, 11:77-90, doi:10.1144/GSL.SP.1983.011.01.10 --- J. Esson: Geochemistry of a nickeliferous laterite profile, Liberdade, Brazil / Geological Society, London, Special Publications, 11:91-99, doi:10.1144/GSL.SP.1983.011.01.11 --- Red Beds --- R. Gardner: Reddening of tropical coastal dune sands / Geological Society, London, Special Publications, 11:103-115, doi:10.1144/GSL.SP.1983.011.01.12 --- K. Pye: Post-depositional reddening of late Quaternary coastal dune sands, north-eastern Australia / Geological Society, London, Special Publications, 11:117-129, doi:10.1144/GSL.SP.1983.011.01.13 --- B. M. Besly and P. Turner: Origin of red beds in a moist tropical climate (Etruria Formation, Upper Carboniferous, UK) / Geological Society, London, Special Publications, 11:131-147, doi:10.1144/GSL.SP.1983.011.01.14 --- Duricrusts: Calcretes, Silcretes and Gypcretes --- H. Wopfner: Environment of silcrete formation: a comparison of examples from Australia and the Cologne Embayment, West Germany / Geological Society, London, Special Publications, 11:151-158, doi:10.1144/GSL.SP.1983.011.01.15 --- W. J. E. van de Graaff: Silcrete in Western Australia: geomorphological settings, textures, structures, and their genetic implications / Geological Society, London, Special Publications, 11:159-166, doi:10.1144/GSL.SP.1983.011.01.16 --- M. A. Summerfield: Geochemistry of weathering profile silcretes, southern Cape Province, South Africa / Geological Society, London, Special Publications, 11:167-178, doi:10.1144/GSL.SP.1983.011.01.17 --- C. C. Reeves, Jr: Pliocene channel calcrete and suspenparallel drainage in West Texas and New Mexico / Geological Society, London, Special Publications, 11:179-183, doi:10.1144/GSL.SP.1983.011.01.18 --- Donald Carlisle: Concentration of uranium and vanadium in calcretes and gypcretes / Geological Society, London, Special Publications, 11:185-195, doi:10.1144/GSL.SP.1983.011.01.19 --- John Parnell: Ancient duricrusts and related rocks in perspective: a contribution from the Old Red Sandstone / Geological Society, London, Special Publications, 11:197-209, doi:10.1144/GSL.SP.1983.011.01.20 --- Colin F. Klappa: A process-response model for the formation of pedogenic calcretes / Geological Society, London, Special Publications, 11:211-220, doi:10.1144/GSL.SP.1983.011.01.21 --- A. S. Talma and F. Netterberg: Stable isotope abundances in calcretes / Geological Society, London, Special Publications, 11:221-233, doi:10.1144/GSL.SP.1983.011.01.22 --- F. Netterberg and J. H. Caiger: A Geotechnical classification of calcretes and other pedocretes / Geological Society, London, Special Publications, 11:235-243, doi:10.1144/GSL.SP.1983.011.01.23 --- R. P. Shaw: Karstic residual fluorite-baryte deposits at two localities in Derbyshire / Geological Society, London, Special Publications, 11:245-249, doi:10.1144/GSL.SP.1983.011.01.24 --- John A. Catt: Cenozoic pedogenesis and landform development in south-east England / Geological Society, London, Special Publications, 11:251-258, doi:10.1144/GSL.SP.1983.011.01.25

Description / Table of Contents: J. Brooks: Introduction / Geological Society, London, Special Publications, 12:ix-xv, doi:10.1144/GSL.SP.1983.012.01.01 --- Geological and Geochemical Studies of Northwest European Continental Shelf --- P. J. Walmsley: The role of the Department of Energy in petroleum exploration of the United Kingdom / Geological Society, London, Special Publications, 12:3-10, doi:10.1144/GSL.SP.1983.012.01.02 --- A. Makourine: Gas Exploration and Reserves in Europe / Geological Society, London, Special Publications, 12:11-17, doi:10.1144/GSL.SP.1983.012.01.03 --- P. C. Barnard and B. S. Cooper: A Review of Geochemical Data Related to the Northwest European Gas Province / Geological Society, London, Special Publications, 12:19-33, doi:10.1144/GSL.SP.1983.012.01.04 --- J. L. Gevirtz, B. D. Carey, and S. R. Blanco: Surface Geochemical Exploration in the North Sea / Geological Society, London, Special Publications, 12:35-50, doi:10.1144/GSL.SP.1983.012.01.05 --- E. Faber and W. Stahl: Analytic Procedure and Results of an Isotope Geochemical Surface Survey in an Area of the British North Sea / Geological Society, London, Special Publications, 12:51-63, doi:10.1144/GSL.SP.1983.012.01.06 --- J. Sigalove: Petroleum Offshore Sniffer Exploration / Geological Society, London, Special Publications, 12:65, doi:10.1144/GSL.SP.1983.012.01.07 --- G. J. Candy: Petroleum Exploration Onshore U.K. / Geological Society, London, Special Publications, 12:67-68, doi:10.1144/GSL.SP.1983.012.01.08 --- T. P. Brennand: North Sea petroleum exploration / Geological Society, London, Special Publications, 12:69, doi:10.1144/GSL.SP.1983.012.01.09 --- Hans Rønnevik, Svein Eggen, and Jan Vollset: Exploration of the Norwegian Shelf / Geological Society, London, Special Publications, 12:71-93, doi:10.1144/GSL.SP.1983.012.01.10 --- D. C. Mudge and G. M. Bliss: Stratigraphy and Sedimentation of the Palaeocene Sands in the Northern North Sea / Geological Society, London, Special Publications, 12:95-111, doi:10.1144/GSL.SP.1983.012.01.11 --- C. D. Curtis: Geochemistry of Porosity Enhancement and Reduction in Clastic Sediments / Geological Society, London, Special Publications, 12:113-125, doi:10.1144/GSL.SP.1983.012.01.12 --- Hilary Irwin and Andrew Hurst: Applications of Geochemistry to Sandstone Reservoir Studies / Geological Society, London, Special Publications, 12:127-146, doi:10.1144/GSL.SP.1983.012.01.13 --- M. J. Pearson and D. Watkins: Organofacies and Early Maturation Effects in Upper Jurassic Sediments From the Inner Moray Firth Basin, North Sea / Geological Society, London, Special Publications, 12:147-160, doi:10.1144/GSL.SP.1983.012.01.14 --- M. J. Pearson, D. Watkins, J-L Pittion, D. Caston, and J. S. Small: Aspects of Burial Diagenesis, Organic Maturation and Palaeothermal History of an Area in the South Viking Graben, North Sea / Geological Society, London, Special Publications, 12:161-173, doi:10.1144/GSL.SP.1983.012.01.15 --- C. Cornford, J. A. Morrow, A. Turrington, J. A. Miles, and J. Brooks: Some Geological Controls on Oil Composition in the U.K. North Sea / Geological Society, London, Special Publications, 12:175-194, doi:10.1144/GSL.SP.1983.012.01.16 --- M. J. Fisher and Jennifer A. Miles: Kerogen Types, Organic Maturation and Hydrocarbon Occurrences in the Moray Firth and South Viking Graben, North Sea Basin / Geological Society, London, Special Publications, 12:195-201, doi:10.1144/GSL.SP.1983.012.01.17 --- R. H. Reitsema: Geochemistry of North and South Brae Areas, North Sea / Geological Society, London, Special Publications, 12:203-212, doi:10.1144/GSL.SP.1983.012.01.18 --- A. E. Griffith: The Search for Petroleum in Northern Ireland / Geological Society, London, Special Publications, 12:213-222, doi:10.1144/GSL.SP.1983.012.01.19 --- D. G. Roberts: Frontier exploration in Western and Northwest Europe / Geological Society, London, Special Publications, 12:223-224, doi:10.1144/GSL.SP.1983.012.01.20 --- Petroleum Exploration of Europe --- L. Mattavelli, T. Ricchiuto, D. Grighani, and M. Schoell: Origins of Natural Gas in the Po Valley, N. Italy / Geological Society, London, Special Publications, 12:227, doi:10.1144/GSL.SP.1983.012.01.21 --- M. Schoell and M. J. Whiticar: Isotope Geochemistry of Natural Gases in Central Europe / Geological Society, London, Special Publications, 12:229, doi:10.1144/GSL.SP.1983.012.01.22 --- K. Kuckelkorn, H. Wehner, and H. Hufnagel: Geochemical Observations and Oil Genesis in the German Alps and their foreland / Geological Society, London, Special Publications, 12:231-233, doi:10.1144/GSL.SP.1983.012.01.23 --- D. P. McKenzie: Basin Evolution and Hydrocarbon Generation / Geological Society, London, Special Publications, 12:253-254, doi:10.1144/GSL.SP.1983.012.01.25 --- B. Durand and M. Paratte: Oil Potential of Coals: A Geochemical Approach / Geological Society, London, Special Publications, 12:255-265, doi:10.1144/GSL.SP.1983.012.01.26 --- P. A. Schenck, J. W. de Leeuw, T. C. Viets, and J. Haverkamp: Pyrolysis-Mass Spectrometry in Coal Chemistry: a study of the coalification of vitrites and the typification of Australian Brown Coals / Geological Society, London, Special Publications, 12:267-274, doi:10.1144/GSL.SP.1983.012.01.27 --- D. J. Batten: Identification of Amorphous Sedimentary Organic Matter by Transmitted Light Microscopy / Geological Society, London, Special Publications, 12:275-287, doi:10.1144/GSL.SP.1983.012.01.28 --- P. M. R. Smith: Spectral Correlation of Spore Coloration Standards / Geological Society, London, Special Publications, 12:289-294, doi:10.1144/GSL.SP.1983.012.01.29 --- J. M. A. Buiskool Toxopeus: Selection Criteria for the Use of Vitrinite Reflectance as a Maturity Tool / Geological Society, London, Special Publications, 12:295-307, doi:10.1144/GSL.SP.1983.012.01.30 --- A. J. G. Barwise: Use of Porphyrins as a Maturity Parameter for Oils and Sediments / Geological Society, London, Special Publications, 12:309-315, doi:10.1144/GSL.SP.1983.012.01.31 --- Petroleum Geochemical Principles and Techniques --- D. H. Welte, M. A. Yükler, M. Radke, D. Leythaeuser, U. Mann, and U. Ritter: Organic Geochemistry and Basin Modelling — Important Tools in Petroleum Exploration / Geological Society, London, Special Publications, 12:237-252, doi:10.1144/GSL.SP.1983.012.01.24 --- Geological Information on Hydrocarbon Exploration on the U.K. Continental Shelf --- G. G. Baxter: Introduction / Geological Society, London, Special Publications, 12:319, doi:10.1144/GSL.SP.1983.012.01.32 --- D. J. McKay: The Compilation of an Earth Science Bibliography for the North Sea and Adjacent Areas / Geological Society, London, Special Publications, 12:321-328, doi:10.1144/GSL.SP.1983.012.01.33 --- P. Wigley: Commercially Available Geological Databanks—U.K.C.S. / Geological Society, London, Special Publications, 12:329-341, doi:10.1144/GSL.SP.1983.012.01.34 --- J. R. V. Brooks: Geological Information from Hydrocarbon Exploration on the United Kingdom Continental Shelf / Geological Society, London, Special Publications, 12:343-356, doi:10.1144/GSL.SP.1983.012.01.35 --- K. J. Chew and H. Stephenson: EXPHST—A Program to Analyse the History of Exploration Success within a Basin or Country / Geological Society, London, Special Publications, 12:357-371, doi:10.1144/GSL.SP.1983.012.01.36 --- G. G. Baxter: The Use of Computerized Information in Britoil, Exploration Division / Geological Society, London, Special Publications, 12:373, doi:10.1144/GSL.SP.1983.012.01.37