ALBERT

Description / Table of Contents: Gill M. Harwood and Denys B. Smith: The English Zechstein and related topics—introduction / Geological Society, London, Special Publications, 22:1-5, doi:10.1144/GSL.SP.1986.022.01.01 --- United Kingdom --- D. B. Smith, G. M. Harwood, J. Pattison, and T. H. Pettigrew: A revised nomenclature for Upper Permian strata in eastern England / Geological Society, London, Special Publications, 22:9-17, doi:10.1144/GSL.SP.1986.022.01.02 --- P. Turner and M. Magaritz: Chemical and isotopic studies of a core of Marl Slate from NE England: influence of freshwater influx into the Zechstein Sea / Geological Society, London, Special Publications, 22:19-29, doi:10.1144/GSL.SP.1986.022.01.03 --- H.-J. Schweitzer: The land flora of the English and German Zechstein sequences / Geological Society, London, Special Publications, 22:31-54, doi:10.1144/GSL.SP.1986.022.01.04 --- A. Swift: The conodont Merrillina divergens (Bender & Stoppel) from the Upper Permian of England / Geological Society, London, Special Publications, 22:55-62, doi:10.1144/GSL.SP.1986.022.01.05 --- J. Kaldi: Sedimentology of sandwaves in an oolite shoal complex in the Cadeby (Magnesian Limestone) Formation (Upper Permian) of eastern England / Geological Society, London, Special Publications, 22:63-74, doi:10.1144/GSL.SP.1986.022.01.06 --- G. M. Harwood: The diagenetic history of Cadeby Formation carbonate (EZ1 Ca), Upper Permian, eastern England / Geological Society, London, Special Publications, 22:75-86, doi:10.1144/GSL.SP.1986.022.01.07 --- J. Kaldi: Diagenesis of nearshore carbonate rocks in the Sprotbrough Member of the Cadeby (Magnesian Limestone) Formation (Upper Permian) of eastern England / Geological Society, London, Special Publications, 22:87-102, doi:10.1144/GSL.SP.1986.022.01.08 --- G. M. Harwood and F. W. Smith: Mineralization in Upper Permian carbonates at outcrop in eastern England / Geological Society, London, Special Publications, 22:103-111, doi:10.1144/GSL.SP.1986.022.01.09 --- D. B. Smith: The Trow Point Bed—a deposit of Upper Permian marine oncoids, peloids and columnar stromatolites in the Zechstein of NE England / Geological Society, London, Special Publications, 22:113-125, doi:10.1144/GSL.SP.1986.022.01.10 --- A. H. Cooper: Subsidence and foundering of strata caused by the dissolution of Permian gypsum in the Ripon and Bedale areas, North Yorkshire / Geological Society, London, Special Publications, 22:127-139, doi:10.1144/GSL.SP.1986.022.01.11 --- Germany --- J. Paul: Environmental analysis of basin and schwellen facies in the lower Zechstein of Germany / Geological Society, London, Special Publications, 22:143-147, doi:10.1144/GSL.SP.1986.022.01.12 --- J. Paul: Stratigraphy of the Lower Werra Cycle (Z1) in West Germany (preliminary results) / Geological Society, London, Special Publications, 22:149-156, doi:10.1144/GSL.SP.1986.022.01.13 --- G. Richter-Bernburg: Zechstein 1 and 2 Anhydrites: facts and problems of sedimentation / Geological Society, London, Special Publications, 22:157-163, doi:10.1144/GSL.SP.1986.022.01.14 --- G. Richter-Bernburg: Zechstein salt correlation: England-Denmark-Germany / Geological Society, London, Special Publications, 22:165-168, doi:10.1144/GSL.SP.1986.022.01.15 --- Poland --- S. Oszczepalski: On the Zechstein Copper Shale lithofacies and palaeoenvironments in SW Poland / Geological Society, London, Special Publications, 22:171-182, doi:10.1144/GSL.SP.1986.022.01.16 --- J. B. Tomaszewski: Comments on the genesis and structure of the copper-polymetallic ore deposit of the Foresudetic Monocline, SW Poland / Geological Society, London, Special Publications, 22:183-194, doi:10.1144/GSL.SP.1986.022.01.17 --- J. B. Tomaszewski: Sedimentary environments of the lowest Zechstein sediments in the Lubin region, SW Poland / Geological Society, London, Special Publications, 22:195-201, doi:10.1144/GSL.SP.1986.022.01.18 --- T. M. Peryt: Chronostratigraphical and lithostratigraphical correlations of the Zechstein Limestone in Central Europe / Geological Society, London, Special Publications, 22:203-209, doi:10.1144/GSL.SP.1986.022.01.19 --- L. Karwowski and J. Klapcinski: Macrofauna of the Polish Zechstein: its occurrence and stratigraphy / Geological Society, London, Special Publications, 22:211-216, doi:10.1144/GSL.SP.1986.022.01.20 --- J. Klapcinski: The Leine Anhydrite of the Polish Zechstein: a significant lithostratigraphical marker-unit / Geological Society, London, Special Publications, 22:217-222, doi:10.1144/GSL.SP.1986.022.01.21 --- USSR --- B. I. Chuvashov: The main types of carbonate rocks of the Kungurian evaporite basin of the Urals / Geological Society, London, Special Publications, 22:225-232, doi:10.1144/GSL.SP.1986.022.01.22 --- Erratum --- Erratum: Diagenesis of nearshore carbonate rocks in the Sprotbrough Member of the Cadeby (Magnesian Limestone) Formation (Upper Permian) of eastern England / Geological Society, London, Special Publications, 22:ERR, doi:10.1144/GSL.SP.1986.022.01.23

Description / Table of Contents: R. B. Rickards and A. J. Chapman: Preface / Geological Society, London, Special Publications, 20:vii-ix, doi:10.1144/GSL.SP.1986.020.01.01 --- J. Rigby: A critique of graptolite classification, and a revision of the suborders Diplograptina and Monograptina / Geological Society, London, Special Publications, 20:1-12, doi:10.1144/GSL.SP.1986.020.01.02 --- Adam Urbanek and Piotr Mierzejewski: A possible new pattern of cortical deposit in Tremadoc dendroid graptolites from chert nodules / Geological Society, London, Special Publications, 20:13-19, doi:10.1144/GSL.SP.1986.020.01.03 --- Bernd-Dietrich Erdtmann: On the anisograptid affiliation of ‘Dictyonema’ flabelliforme (Eichwald 1840) and its nomenclatural consequences / Geological Society, London, Special Publications, 20:21-25, doi:10.1144/GSL.SP.1986.020.01.04 --- A. C. Lenz and D. E. Jackson: Arenig and Llanvirn graptolite biostratigraphy, Canadian Cordillera / Geological Society, London, Special Publications, 20:27-45, doi:10.1144/GSL.SP.1986.020.01.05 --- Stanley C. Finney and Stig M. Bergström: Biostratigraphy of the Ordovician Nemagraptus gracilis Zone / Geological Society, London, Special Publications, 20:47-59, doi:10.1144/GSL.SP.1986.020.01.06 --- Stig M. Bergström: Biostratigraphic integration of Ordovician graptolite and conodont zones—a regional review / Geological Society, London, Special Publications, 20:61-78, doi:10.1144/GSL.SP.1986.020.01.07 --- N. W. Schleiger: Cluster analysis of isograptid individuals from Bullengarook, Victoria, Australia / Geological Society, London, Special Publications, 20:79-96, doi:10.1144/GSL.SP.1986.020.01.08 --- Nils Spjeldnaes: Astogenetic development of some lower Ordovician graptolites from Norway / Geological Society, London, Special Publications, 20:97-102, doi:10.1144/GSL.SP.1986.020.01.09 --- Stanley C. Finney: Heterochrony, punctuated equilibrium, and graptolite zonal boundaries / Geological Society, London, Special Publications, 20:103-113, doi:10.1144/GSL.SP.1986.020.01.10 --- Jianhua Yu and Yiting Fang: The Ordovician graptolite-bearing strata of Xiushui drainage basin, Jiangxi, southern China and their correlation / Geological Society, London, Special Publications, 20:115-117, doi:10.1144/GSL.SP.1986.020.01.11 --- Charles E. Mitchell: Morphometric studies of Climacograptus (Hall) and the phylogenetic significance of astogeny / Geological Society, London, Special Publications, 20:119-129, doi:10.1144/GSL.SP.1986.020.01.12 --- Li-pu Fu: Graptolite zones of upper Ordovician to middle Silurian age in a continuous section at Ziyang, Shaanxi, China / Geological Society, London, Special Publications, 20:131-134, doi:10.1144/GSL.SP.1986.020.01.13 --- William B.N. Berry: Stratigraphic significance of Glyptograptus persculptus group graptolites in central Nevada, U.S.A. / Geological Society, London, Special Publications, 20:135-143, doi:10.1144/GSL.SP.1986.020.01.14 --- P. Legrand: The lower Silurian graptolites of Oued In Djerane: a study of populations at the Ordovician-Silurian boundary / Geological Society, London, Special Publications, 20:145-153, doi:10.1144/GSL.SP.1986.020.01.15 --- A.M. Obut and N.V. Sennikov: Graptolite zones in the Ordovician and Silurian of the Gorny Altai / Geological Society, London, Special Publications, 20:155-164, doi:10.1144/GSL.SP.1986.020.01.16 --- S. Henry Williams: Top Ordovician and lowest Silurian of Dob’s Linn / Geological Society, London, Special Publications, 20:165-171, doi:10.1144/GSL.SP.1986.020.01.17 --- Shi-cheng Huo and De-gan Shu: The Silurian graptolite-bearing strata in China / Geological Society, London, Special Publications, 20:173-179, doi:10.1144/GSL.SP.1986.020.01.18 --- Merete Bjerreskov: Silurian graptolites from N Greenland / Geological Society, London, Special Publications, 20:181-189, doi:10.1144/GSL.SP.1986.020.01.19 --- Bao Deng: On the morphological characteristics of the spiralis group and the stratigraphic significance of the appearance of Cyrtograptus / Geological Society, London, Special Publications, 20:191-195, doi:10.1144/GSL.SP.1986.020.01.20 --- Shi-cheng Huo, De-gan Shu, and Fu Li-pu: A mathematical study of the Cyrtograptus sakmaricus lineage with discussions of the evolutionary trends in this lineage / Geological Society, London, Special Publications, 20:197-205, doi:10.1144/GSL.SP.1986.020.01.21 --- A. M. Obut and N. M. Zaslavskaya: Families of Retiolitida and their phylogenetic relations / Geological Society, London, Special Publications, 20:207-219, doi:10.1144/GSL.SP.1986.020.01.22 --- D. E. B. Bates and N. H. Kirk: Mode of secretion of graptolite periderm, in normal and retiolite graptolites / Geological Society, London, Special Publications, 20:221-236, doi:10.1144/GSL.SP.1986.020.01.23 --- J. Paškevičius: Assemblages of Silurian graptolites in various facies of the East Baltic region / Geological Society, London, Special Publications, 20:237-245, doi:10.1144/GSL.SP.1986.020.01.24 --- Milena Mihajlović Pavlović: Silurian graptolites from Serbia, Yugoslavia / Geological Society, London, Special Publications, 20:247, doi:10.1144/GSL.SP.1986.020.01.25 --- D. C. Palmer: The monotypic ‘population’ accompanying the lectotype of Saetograptus varians (Wood 1900) / Geological Society, London, Special Publications, 20:249-259, doi:10.1144/GSL.SP.1986.020.01.26 --- P. N. Dilly: Modern pterobranchs: observations on their behaviour and tube building / Geological Society, London, Special Publications, 20:261-269, doi:10.1144/GSL.SP.1986.020.01.27

Description / Table of Contents: Processes of Collision Orogeny --- J.F. Dewey, M.R. Hempton, W.S.F. Kidd, F. Saroglu, and A.M.C. Şengör: Shortening of continental lithosphere: the neotectonics of Eastern Anatolia — a young collision zone / Geological Society, London, Special Publications, 19:1-36, doi:10.1144/GSL.SP.1986.019.01.01 --- M. Mattauer: Intracontinental subduction, crust-mantle décollement and crustal-stacking wedge in the Himalayas and other collision belts / Geological Society, London, Special Publications, 19:37-50, doi:10.1144/GSL.SP.1986.019.01.02 --- R. J. Knipe and D. T. Needham: Deformation processes in accretionary wedges—examples from the SW margin of the Southern Uplands, Scotland / Geological Society, London, Special Publications, 19:51-65, doi:10.1144/GSL.SP.1986.019.01.03 --- Nigel B. W. Harris, Julian A. Pearce, and Andrew G. Tindle: Geochemical characteristics of collision-zone magmatism / Geological Society, London, Special Publications, 19:67-81, doi:10.1144/GSL.SP.1986.019.01.04 --- Philip C. England and Alan Thompson: Some thermal and tectonic models for crustal melting in continental collision zones / Geological Society, London, Special Publications, 19:83-94, doi:10.1144/GSL.SP.1986.019.01.05 --- S. A. F. Murrell: Mechanics of tectogenesis in plate collision zones / Geological Society, London, Special Publications, 19:95-111, doi:10.1144/GSL.SP.1986.019.01.06 --- Continent-Continent Collision: Himalayan-Alpine Belt --- P. Tapponnier, G. Peltzer, and R. Armijo: On the mechanics of the collision between India and Asia / Geological Society, London, Special Publications, 19:113-157, doi:10.1144/GSL.SP.1986.019.01.07 --- Patrick Le Fort: Metamorphism and magmatism during the Himalayan collision / Geological Society, London, Special Publications, 19:159-172, doi:10.1144/GSL.SP.1986.019.01.08 --- M. Colchen, G. Mascle, and T. Van Haver: Some aspects of collision tectonics in the Indus Suture Zone, Ladakh / Geological Society, London, Special Publications, 19:173-184, doi:10.1144/GSL.SP.1986.019.01.09 --- M. P. Searle and B. J. Fryer: Garnet, tourmaline and muscovite-bearing leucogranites, gneisses and migmatites of the Higher Himalayas from Zanskar, Kulu, Lahoul and Kashmir / Geological Society, London, Special Publications, 19:185-201, doi:10.1144/GSL.SP.1986.019.01.10 --- Michael P. Coward, David C. Rex, M. Asif Khan, Brian F. Windley, Roger D. Broughton, Ian W. Luff, Michael G. Petterson, and Carol J. Pudsey: Collision tectonics in the NW Himalayas / Geological Society, London, Special Publications, 19:203-219, doi:10.1144/GSL.SP.1986.019.01.11 --- J. C. Hunziker: The Alps: a case of multiple collision / Geological Society, London, Special Publications, 19:221-227, doi:10.1144/GSL.SP.1986.019.01.12 --- L. E. Ricou and A. W. B. Siddans: Collision tectonics in the Western Alps / Geological Society, London, Special Publications, 19:229-244, doi:10.1144/GSL.SP.1986.019.01.13 --- R. W. H. Butler, S. J. Matthews, and M. Parish: The NW external Alpine Thrust Belt and its implications for the geometry of the Western Alpine Orogen / Geological Society, London, Special Publications, 19:245-260, doi:10.1144/GSL.SP.1986.019.01.14 --- James E. T. Channell: Palaeomagnetism and continental collision in the Alpine Belt and the formation of late-tectonic extensional basins / Geological Society, London, Special Publications, 19:261-284, doi:10.1144/GSL.SP.1986.019.01.15 --- Continent-Continent Collision: Older Collision Belts --- J. R. Hossack and M. A. Cooper: Collision tectonics in the Scandinavian Caledonides / Geological Society, London, Special Publications, 19:285-304, doi:10.1144/GSL.SP.1986.019.01.16 --- C. J. Hawkesworth, M. A. Menzies, and P. van Calsteren: Geochemical and tectonic evolution of the Damara Belt, Namibia / Geological Society, London, Special Publications, 19:305-319, doi:10.1144/GSL.SP.1986.019.01.17 --- M. C. Daly: The intracratonic Irumide Belt of Zambia and its bearing on collision orogeny during the Proterozoic of Africa / Geological Society, London, Special Publications, 19:321-328, doi:10.1144/GSL.SP.1986.019.01.18 --- R. M. Shackleton: Precambrian collision tectonics in Africa / Geological Society, London, Special Publications, 19:329-349, doi:10.1144/GSL.SP.1986.019.01.19 --- Continent-Arc Collision --- J. Milsom and M. G. Audley-Charles: Post-collision isostatic readjustment in the Southern Banda Arc / Geological Society, London, Special Publications, 19:351-364, doi:10.1144/GSL.SP.1986.019.01.20 --- Cordilleran Collision --- D. L. Jones, N. J. Silberling, and P. J. Coney: Collision tectonics in the Cordillera of western N America: examples from Alaska / Geological Society, London, Special Publications, 19:367-387, doi:10.1144/GSL.SP.1986.019.01.21 --- I. W. D. Dalziel: Collision and Cordilleran orogenesis: an Andean perspective / Geological Society, London, Special Publications, 19:389-404, doi:10.1144/GSL.SP.1986.019.01.22

Description / Table of Contents: J. B. Dawson, D. A. Carswell, J. Hall, and K.H. Wedepohl: Introduction / Geological Society, London, Special Publications, 24:vii-viii, doi:10.1144/GSL.SP.1986.024.01.01 --- R. Meissner: Twenty years of deep seismic reflection profiling in Germany—a contribution to our knowledge of the nature of the lower Variscan crust / Geological Society, London, Special Publications, 24:1-10, doi:10.1144/GSL.SP.1986.024.01.02 --- D. H. Matthews: Seismic reflections from the lower crust around Britain / Geological Society, London, Special Publications, 24:11-21, doi:10.1144/GSL.SP.1986.024.01.03 --- S. B. Smithson: A physical model of the lower crust from North America based on seismic reflection data / Geological Society, London, Special Publications, 24:23-34, doi:10.1144/GSL.SP.1986.024.01.04 --- V. Haak and R. Hutton: Electrical resistivity in continental lower crust / Geological Society, London, Special Publications, 24:35-49, doi:10.1144/GSL.SP.1986.024.01.05 --- J. Hall: The physical properties of layered rocks in deep continental crust / Geological Society, London, Special Publications, 24:51-62, doi:10.1144/GSL.SP.1986.024.01.06 --- D. S. Chapman: Thermal gradients in the continental crust / Geological Society, London, Special Publications, 24:63-70, doi:10.1144/GSL.SP.1986.024.01.07 --- J. F. Dewey: Diversity in the lower continental crust / Geological Society, London, Special Publications, 24:71-78, doi:10.1144/GSL.SP.1986.024.01.08 --- N. J. Kusznir and R. G. Park: Continental lithosphere strength: the critical role of lower crustal deformation / Geological Society, London, Special Publications, 24:79-93, doi:10.1144/GSL.SP.1986.024.01.09 --- K. Weber: Metamorphism and crustal rheology—implications for the structural development of the continental crust during prograde metamorphism / Geological Society, London, Special Publications, 24:95-106, doi:10.1144/GSL.SP.1986.024.01.10 --- S. A. F. Murrell: The role of deformation, heat, and thermal processes in the formation of the lower continental crust / Geological Society, London, Special Publications, 24:107-117, doi:10.1144/GSL.SP.1986.024.01.11 --- K. Fuchs: Intraplate seismicity induced by stress concentration at crustal heterogeneities—the Hohenzollern Graben, a case history / Geological Society, London, Special Publications, 24:119-132, doi:10.1144/GSL.SP.1986.024.01.12 --- K. Lambeck: Crustal structure and evolution of the central Australian basins / Geological Society, London, Special Publications, 24:133-145, doi:10.1144/GSL.SP.1986.024.01.13 --- R. W. Kay and S. M. Kay: Petrology and geochemistry of the lower continental crust: an overview / Geological Society, London, Special Publications, 24:147-159, doi:10.1144/GSL.SP.1986.024.01.14 --- J. Touret: Fluid inclusions in rocks from the lower continental crust / Geological Society, London, Special Publications, 24:161-172, doi:10.1144/GSL.SP.1986.024.01.15 --- S. R. Taylor and S.M. McLennan: The chemical composition of the Archaean crust / Geological Society, London, Special Publications, 24:173-178, doi:10.1144/GSL.SP.1986.024.01.16 --- R. L. Rudnick and S. R. Taylor: Geochemical constraints on the origin of Archaean tonalitic-trondhjemitic rocks and implications for lower crustal composition / Geological Society, London, Special Publications, 24:179-191, doi:10.1144/GSL.SP.1986.024.01.17 --- D. A. Carswell and S.J. Cuthbert: Eclogite facies metamorphism in the lower continental crust / Geological Society, London, Special Publications, 24:193-209, doi:10.1144/GSL.SP.1986.024.01.18 --- S. Moorbath and P.N. Taylor: Geochronology and related isotope geochemistry of high-grade metamorphic rocks from the lower continental crust / Geological Society, London, Special Publications, 24:211-220, doi:10.1144/GSL.SP.1986.024.01.19 --- B. F. Windley and J. Tarney: The structural evolution of the lower crust of orogenic belts, present and past / Geological Society, London, Special Publications, 24:221-230, doi:10.1144/GSL.SP.1986.024.01.20 --- C. Pin and J. D. Sills: Petrogenesis of layered gabbros and ultramafic rocks from Val Sesia, the Ivrea Zone, NW Italy: trace element and isotope geochemistry / Geological Society, London, Special Publications, 24:231-249, doi:10.1144/GSL.SP.1986.024.01.21 --- S. Robertson: Evolution of the late Archaean lower continental crust in southern West Greenland / Geological Society, London, Special Publications, 24:251-260, doi:10.1144/GSL.SP.1986.024.01.22 --- L. Schiøtte, D. Bridgwater, K.D. Collerson, A.P. Nutman, and A.B. Ryan: Chemical and isotopic effects of late Archaean high-grade metamorphism and granite injection on early Archaean gneisses, Saglek-Hebron, northern Labrador / Geological Society, London, Special Publications, 24:261-273, doi:10.1144/GSL.SP.1986.024.01.23 --- D. M. Shaw, J. J. Cramer, M. D. Higgins, and M. G. Truscott: Composition of the Canadian Precambrian shield and the continental crust of the earth / Geological Society, London, Special Publications, 24:275-282, doi:10.1144/GSL.SP.1986.024.01.24 --- M. Raith and P. Raase: High grade metamorphism in the granulite belt of Finnish Lapland / Geological Society, London, Special Publications, 24:283-295, doi:10.1144/GSL.SP.1986.024.01.25 --- R. C. Newton and E.C. Hansen: The South India-Sri Lanka high-grade terrain as a possible deep-crust section / Geological Society, London, Special Publications, 24:297-307, doi:10.1144/GSL.SP.1986.024.01.26 --- H.-G. Stosch, G. W. Lugmair, and H.A. Seck: Geochemistry of granulite-facies lower crustal xenoliths: implications for the geological history of the lower continental crust below the Eifel, West Germany / Geological Society, London, Special Publications, 24:309-317, doi:10.1144/GSL.SP.1986.024.01.27 --- H. Downes and A. Leyreloup: Granulitic xenoliths from the French Massif Central—petrology, Sr and Nd isotope systematics and model age estimates / Geological Society, London, Special Publications, 24:319-330, doi:10.1144/GSL.SP.1986.024.01.28 --- J. R. Broadhurst: Mineral reactions in xenoliths from the Colorado Plateau; implications for lower crustal conditions and fluid composition / Geological Society, London, Special Publications, 24:331-349, doi:10.1144/GSL.SP.1986.024.01.29 --- P. W. C. van Calsteren, N. B. W. Harris, C. J. Hawkesworth, M. A. Menzies, and N. W. Rogers: Xenoliths from southern Africa: a perspective on the lower crust / Geological Society, London, Special Publications, 24:351-362, doi:10.1144/GSL.SP.1986.024.01.30 --- W. L. Griffin and S. Y. O’Reilly: The lower crust in eastern Australia: xenolith evidence / Geological Society, London, Special Publications, 24:363-374, doi:10.1144/GSL.SP.1986.024.01.31

Description / Table of Contents: Continental Rift Basins --- H. G. Reading: African Rift tectonics and sedimentation, an introduction / Geological Society, London, Special Publications, 25:3-7, doi:10.1144/GSL.SP.1986.025.01.01 --- A. T. Grove: Geomorphology of the African Rift System / Geological Society, London, Special Publications, 25:9-16, doi:10.1144/GSL.SP.1986.025.01.02 --- African Rift Basin Development --- J. D. Fairhead: Geophysical controls on sedimentation within the African Rift Systems / Geological Society, London, Special Publications, 25:19-27, doi:10.1144/GSL.SP.1986.025.01.03 --- B. R. Rosendahl, D. J. Reynolds, P. M. Lorber, C. F. Burgess, J. McGill, D. Scott, J. J. Lambiase, and S. J. Derksen: Structural expressions of rifting: lessons from Lake Tanganyika, Africa / Geological Society, London, Special Publications, 25:29-43, doi:10.1144/GSL.SP.1986.025.01.04 --- B. H. Baker: Tectonics and volcanism of the southern Kenya Rift Valley and its influence on rift sedimentation / Geological Society, London, Special Publications, 25:45-57, doi:10.1144/GSL.SP.1986.025.01.05 --- L. A. J. Williams and G. R. Chapman: Relationships between major structures, salic volcanism and sedimentation in the Kenya Rift from the equator northwards to Lake Turkana / Geological Society, London, Special Publications, 25:59-74, doi:10.1144/GSL.SP.1986.025.01.06 --- C. J. Swain, N. J. Skinner, and M. A. Khan: Depth to metamorphic basement in the Koobi Fora region from seismic and gravity data / Geological Society, London, Special Publications, 25:75-84, doi:10.1144/GSL.SP.1986.025.01.07 --- R. T. Watkins: Volcano-tectonic control on sedimentation in the Koobi Fora sedimentary basin, Lake Turkana / Geological Society, London, Special Publications, 25:85-95, doi:10.1144/GSL.SP.1986.025.01.08 --- Siliciclastic, Chemical, Pedogenic and Organic Sediments in Contemporary Rift Environments --- I. Reid and L. E. Frostick: Slope processes, sediment derivation and landform evolution in a rift valley basin, northern Kenya / Geological Society, London, Special Publications, 25:99-111, doi:10.1144/GSL.SP.1986.025.01.09 --- L. E. Frostick and I. Reid: Evolution and sedimentary character of lake deltas fed by ephemeral rivers in the Turkana basin, northern Kenya / Geological Society, London, Special Publications, 25:113-125, doi:10.1144/GSL.SP.1986.025.01.10 --- A. S. Cohen, D. S. Ferguson, P. M. Gram, S. L. Hubler, and K. W. Sims: The distribution of coarse-grained sediments in modern Lake Turkana, Kenya: implications for clastic sedimentation models of rift lakes / Geological Society, London, Special Publications, 25:127-139, doi:10.1144/GSL.SP.1986.025.01.11 --- R. F. Yuretich: Controls on the composition of modern sediments, Lake Turkana, Kenya / Geological Society, London, Special Publications, 25:141-152, doi:10.1144/GSL.SP.1986.025.01.12 --- P. I. Abell and J. P. McClory: Sedimentary carbonates as isotopic marker horizons at Lake Turkana, Kenya / Geological Society, London, Special Publications, 25:153-158, doi:10.1144/GSL.SP.1986.025.01.13 --- R. W. Renaut, J. J. Tiercelin, and R. B. Owen: Mineral precipitation and diagenesis in the sediments of the Lake Bogoria basin, Kenya Rift Valley / Geological Society, London, Special Publications, 25:159-175, doi:10.1144/GSL.SP.1986.025.01.14 --- H. P. Eugster: Lake Magadi, Kenya: a model for rift valley hydrochemistry and sedimentation? / Geological Society, London, Special Publications, 25:177-189, doi:10.1144/GSL.SP.1986.025.01.15 --- R. Crossley: Sedimentation by termites in the Malawi Rift Valley / Geological Society, London, Special Publications, 25:191-199, doi:10.1144/GSL.SP.1986.025.01.16 --- J. Casanova: East African Rift stromatolites / Geological Society, London, Special Publications, 25:201-210, doi:10.1144/GSL.SP.1986.025.01.17 --- A. Hamilton and D. Taylor: Mire sediments in East Africa / Geological Society, London, Special Publications, 25:211-217, doi:10.1144/GSL.SP.1986.025.01.18 --- Sedimentary History of African Rift Basins --- J. J. Tiercelin: The Pliocene Hadar Formation, Afar depression of Ethiopia / Geological Society, London, Special Publications, 25:221-240, doi:10.1144/GSL.SP.1986.025.01.19 --- M. A. J. Williams, Getaneh Assefa, and D. A. Adamson: Depositional context of Plio-Pleistocene hominid-bearing formations in the Middle Awash valley, southern Afar Rift, Ethiopia / Geological Society, London, Special Publications, 25:241-251, doi:10.1144/GSL.SP.1986.025.01.20 --- R. Bonnefille, C. Robert, A. M. Lezine, G. Perinet, G. Delibrias, C. Elenga, J. P. Herbin, and J. J. Tiercelin: Palaeoenvironment of Lake Abijata, Ethiopia, during the past 2000 years / Geological Society, London, Special Publications, 25:253-265, doi:10.1144/GSL.SP.1986.025.01.21 --- P. G. Williamson and R. J. G. Savage: Early rift sedimentation in the Turkana basin, northern Kenya / Geological Society, London, Special Publications, 25:267-283, doi:10.1144/GSL.SP.1986.025.01.22 --- A. Hill, G. Curtis, and R. Drake: Sedimentary stratigraphy of the Tugen Hills, Baringo, Kenya / Geological Society, London, Special Publications, 25:285-295, doi:10.1144/GSL.SP.1986.025.01.23 --- C. K. Nyamweru: Quaternary environments of the Chalbi basin, Kenya: sedimentary and geomorphological evidence / Geological Society, London, Special Publications, 25:297-310, doi:10.1144/GSL.SP.1986.025.01.24 --- R. B. Owen and R. W. Renaut: Sedimentology, stratigraphy and palaeoenvironments of the Holocene Galana Boi Formation, NE Lake Turkana, Kenya / Geological Society, London, Special Publications, 25:311-322, doi:10.1144/GSL.SP.1986.025.01.25 --- A. Vincens, J. Casanova, and J. J. Tiercelin: Palaeolimnology of Lake Bogoria (Kenya) during the 4500 BP high lacustrine phase / Geological Society, London, Special Publications, 25:323-330, doi:10.1144/GSL.SP.1986.025.01.26 --- N. Thouveny and M. Taieb: Preliminary magnetostratigraphic record of Pleistocene deposits, Lake Natron Basin, Tanzania / Geological Society, London, Special Publications, 25:331-336, doi:10.1144/GSL.SP.1986.025.01.27 --- Sedimentation and the Preservation of Fossil Faunas --- R. L. Hay: Role of tephra in the preservation of fossils in Cenozoic deposits of East Africa / Geological Society, London, Special Publications, 25:339-344, doi:10.1144/GSL.SP.1986.025.01.28 --- M. Pickford: Sedimentation and fossil preservation in the Nyanza Rift System, Kenya / Geological Society, London, Special Publications, 25:345-362, doi:10.1144/GSL.SP.1986.025.01.29 --- C. Denys, J. Chorowicz, and J. J. Tiercelin: Tectonic and environmental control on rodent diversity in the Plio-Pleistocene sediments of the African Rift System / Geological Society, London, Special Publications, 25:363-372, doi:10.1144/GSL.SP.1986.025.01.30

Description / Table of Contents: Circulation, Unconformities and Sedimentation --- Jörn Thiede and Werner U. Ehrmann: Late Mesozoic and Cenozoic sediment flux to the central North Atlantic Ocean / Geological Society, London, Special Publications, 21:3-15, doi:10.1144/GSL.SP.1986.021.01.01 --- P. C. de Graciansky, C. Wylie Poag, E. A. Hailwood, R. W. O’B. Knox, D. G. Masson, L. Montadert, C. Ravenne, C. Müller, J. C. Sibuet, J. Sigal, S. W. Snyder, D. W. Waples, and R. Cunningham: Evidence for changes in Mesozoic and Cenozoic oceanic circulation on the south-western continental margin of Ireland: DSDP/IPOD Leg 80 / Geological Society, London, Special Publications, 21:17-33, doi:10.1144/GSL.SP.1986.021.01.02 --- Sherwood W. Wise, Jr., Jan E. Van Hinte, Gregory S. Mountain, Brian N. M. Biart, J. Mitchener Covington, Warren S. Drugg, Dean A. Dunn, John Farre, Daniel Habib, Janet A. Haggerty, Mark W. Johns, Thomas H. Lang, Philip A. Meyers, Kenneth G. Miller, Michel R. Moullade, Jay P. Muza, James G. Ogg, Makoto Okamura, Massimo Sarti, and Ulrich Von Rad: Mesozoic-Cenozoic clastic depositional environments revealed by DSDP Leg 93 drilling on the continental rise off the eastern United States / Geological Society, London, Special Publications, 21:35-66, doi:10.1144/GSL.SP.1986.021.01.03 --- Malcolm B. Hart and Kim C. Ball: Late Cretaceous anoxic events, sea-level changes and the evolution of the planktonic foraminifera / Geological Society, London, Special Publications, 21:67-78, doi:10.1144/GSL.SP.1986.021.01.04 --- I. Pearson and D. Graham Jenkins: Unconformities in the Cenozoic of the North-East Atlantic / Geological Society, London, Special Publications, 21:79-86, doi:10.1144/GSL.SP.1986.021.01.05 --- Robert B. Kidd and Philip R. Hill: Sedimentation on mid-ocean sediment drifts / Geological Society, London, Special Publications, 21:87-102, doi:10.1144/GSL.SP.1986.021.01.06 --- R. Stein, M. Sarnthein, and J. Suendermann: Late Neogene submarine erosion events along the north-east Atlantic continental margin / Geological Society, London, Special Publications, 21:103-118, doi:10.1144/GSL.SP.1986.021.01.07 --- M. Sarnthein and J. Mienert: Sediment waves in the eastern equatorial Atlantic: sediment record during Late Glacial and Interglacial times / Geological Society, London, Special Publications, 21:119-130, doi:10.1144/GSL.SP.1986.021.01.08 --- P. P. E. Weaver, R. C. Searle, and A. Kuijpers: Turbidite deposition and the origin of the Madeira Abyssal Plain / Geological Society, London, Special Publications, 21:131-143, doi:10.1144/GSL.SP.1986.021.01.09 --- Randi Carlsen, Tor Løken, and Elen Roaldset: Late Weichselian transgression, erosion and sedimentation at Gullfaks, northern North Sea / Geological Society, London, Special Publications, 21:145-152, doi:10.1144/GSL.SP.1986.021.01.10