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Petroleum geoscience of the West Africa margin
1 online resource (234 pages : illustrations (some color), maps (some color))
The continental margin of West Africa formed as result of the south-to-north rifting of Gondwana and the progressive separation of the South American and African continents. This margin has enjoyed a rich and varied exploration history and, in the 70 years or so since the first significant exploration began in the onshore area, the margin has emerged as a significant hydrocarbon-producing region. The amalgamation of hydrocarbon exploration approaches and imaginative ideas, leveraged with modern technologies, is yielding significant scientific and economic successes. The main objective of this Special Publication is to provide an overview of the advances in our understanding of the crustal structure, tectonic evolution and Mesozoic to Cenozoic stratigraphy of the West Africa margin both onshore and offshore, with a particular focus on the petroleum geology. The papers contained in this Special Publication represent a selection from the 37 abstracts presented at the original conference in March 2014, which covered the entirety of the margin from South Africa to Morocco as well as stratigraphy from the crystalline basement to the most recent strata.
The petroleum geology of the West Africa margin: an introduction / Teresa Sabato Ceraldi, Richard Hodgkinson, and Guillaume Backé -- Deformation of oceanic crust in the eastern Gulf of Guinea: role in the evolution of the Cameroon Volcanic Line and influence on the petroleum endowment of the Douala-Rio Muni Basin / Steve R. Lawrence, Alastair Beach, Owain Jackson, and Andrew Jackson -- The Campanian quartz 'claystone' conundrum of the African Transform Margin / Allen Brown, Scott Birkhead, David McLean, Philip Towle, Howard White, and Yafei Wu -- Unravelling the along-strike variability of the Angola -- Gabon rifted margin: a mapping approach / Gwenn Péron-Pinvidic, Gianreto Manatschal, Emmanuel Masini, Emilie Sutra, Jean Marie Flament, Isabelle Haupert, and Patrick Unternehr -- Evolution of the South Atlantic lacustrine deposits in response to Early Cretaceous rifting, subsidence and lake hydrology / Teresa Sabato Ceraldi and Darryl Green
Pre-rift and synrift exhumation, post-rift subsidence and exhumation of the onshore Namibe Margin of Angola revealed from apatite fission track analysis / Paul F. Green and Vladimir Machado -- An unusual Proterozoic petroleum play in Western Africa: the Atar Group carbonates (Taoudeni Basin, Mauritania) / Antonio Martín-Monge, Roger Baudino, Luis M. Gairifo-Ferreira, Rafael Tocco, Marcello Badalì, María Ochoa, Sigit Haryono, Sofía Soriano, Nidal El Hafiz, Julio Hernán-Gómez, Beatriz Chacón, Ignacio Brisson, Giovanni Grammatico, Roberto Varadé, and Hussein Abdallah -- Structure of the ocean -- continent transition, location of the continent -- ocean boundary and magmatic type of the northern Angolan margin from integrated quantitative analysis of deep seismic reflection and gravity anomaly data / L. Cowie, R.M. Angelo, N. Kusznir, G. Manatschal, and B. Horn
Interaction of crustal heterogeneity and lithospheric processes in determining passive margin architecture on the southern Namibian margin / M. Mohammed, D. Paton, R.E.L. Collier, N. Hodgson, and M. Negonga -- The missing piece of the South Atlantic jigsaw: when continental break-up ignores crustal heterogeneity / D.A. Paton, E.J. Mortimer, N. Hodgson, and D. van der Spuy -- Influence of mechanical stratigraphy on multi-layer gravity collapse structures: insights from the Orange Basin, South Africa / T.J.S. Dalton, D.A. Paton, and D.T. Needham.
edited by T. Sabato Ceraldi, R.A. Hodgkinson and G. Backe.
Includes bibliographical references and index.
Geological Society special publication ; no. 438