Jonathan Redfern

35+ years industry and academic experience:  Fina Exploration UK. Fina Minh Hai (Vietnam), Fina Libya BV, Petrofina, Amerada Hess.  Professor of Petroleum Geoscience, University of Manchester,  Sedimentology, Basin Analysis, Regional Geology. Extensive research and fieldwork experience across North Africa (Libya, Morocco, Egypt, Senegal). 5 field seasons in Libya, in the Murzuk and Gargaf area.  He has led regional field courses for Woodside, Occidental, Chevron, HuntOil, ExxonMobil, TotalEnergies, Kosmos and many others.  Training courses held in Libya with Hot Engineering.  Wide experience of North Africa Regional geology, stratigraphy, basin analysis and modelling, clastic sedimentology.   Over 90+ publications. Director of NARG Consulting Ltd.
 

Richard Dixon 

35+ years industry experience: Robertson Research (North Wales & Aberdeen),BP Exploration. Sedimentologist / Stratigrapher with extensive experience in North Africa (Algeria, Tunisia (including the Pelagian Basin), Libya (Onshore (Ghadames, Sirt & Cyrenaica)) & Offshore (Sirt / Benghazi Basins) & Egypt (Onshore (Western Desert) & Offshore (Nile Delta Deepwater) including field work on the Palaeozoic & Mesozoic sequences  in Algeria (Ahnet Basin), Tunisia, Libya (Jebel Akhdar) & Egypt (Cairo / Giza Area & Gulf of Suez).  Affiliated with the University of Manchester from 2010 to Present. Visiting Professor status from 2013.

Some Selected Publication

Badalini G., Redfern J., and Carr I. D. (2002) A synthesis of current understanding of the structural evolution of North Africa. Journal of Petroleum Geology 25(3), pp.249-258.

Redfern J., and Williams B. P. J. (2002) Canning Basin Grant Group glaciogenic sediments: part of the Gondwanan Permo-Carboniferous hydrocarbon province. In The Sedimentary Basins of Western Australia 3, Proceedings of the Petroleum Exploration Society of Australia, Perth (ed. M. Keep and S. J. Moss), pp. 851-871.

Burwood R., Redfern J., and Cope M. (2003) Geochemical evaluation of East Sirte Basin (Libya) petroleum systems and oil provenance. In Petroleum Geology of Africa: New Themes and Developing Technologies, Vol. 207 (ed. T. J. Arthur, D. S. MacGregor,and N. R. Cameron), pp. 203-204. Geological Society of London Special Publication.

Fello, N., Lüning, S., Štorch, P., and Redfern, J. (2006), Identification of early Llandovery (Silurian) anoxic palaeo-depressions at the western margin of the Murzuq Basin (southwest Libya), based on gamma-ray spectrometry in surface exposures. GeoArabia 11 (3): 101-118.

Underdown, R., and Redfern, J., (2007), The importance of constraining regional exhumation in basin modelling: a hydrocarbon maturation history of the Ghadames Basin, North Africa., Petroleum Geoscience, V 13, p 1-19

Redfern, J., Hodgetts, D. & Fabuel-Perez, I. (2007). Digital analysis brings renaissance for petroleum geology outcrop studies in North Africa. In: First Break 25, pp. 81-87.

Underdown, R., and Redfern J., (2007), Constraining the burial history of the Ghadames Basin, North Africa: An integrated analysis using sonic velocities, vitrinite reflectance data and apatite fission track ages. Basin Research, Volume 19, Number 4, pp. 557-578 (22)

Hansen, D.H.,Redfern,J., Federici, F., di Biase, D. and Bertozzi, G.,(2008), Miocene igneous activity in the northern subbasin, offshore Senegal, NW Africa, Marine and Petroleum Geology, Volume 25, Issue 1, pp. 1-15

Underdown, R., and Redfern, J., (2008), Petroleum Generation and Migration in the Ghadames Basin, North Africa: A 2D Basin Modelling Study, AAPG Bulletin, V. 92, No. 1, pp. 53-76.

Mory, A. J., Martin, J. R., and Redfern, J., (2008), A review of Permo-Carboniferous glacial deposits in Western Australia. In: Resolving the Late Paleozoic Ice Age in time and space, edited by Christopher R. Fielding, Tracy D. Frank and John L. Isbell. GSA Special Papers, v. 441, pp. 29-40

Martin, J. R., and Redfern, J., Aitken, J., (2008), A regional overview of the Late Palaeozoic Gondwanan ice age in Oman. In: Resolving the Late Paleozoic Ice Age in time and space, edited by Christopher R. Fielding, Tracy D. Frank and John L. Isbell. GSA Special Papers, v. 441, pp. 175-186

Fabuel-Perez, I., Hodgetts, D., & Redfern, J., (2009), A new approach for outcrop characterization and geostatistical analysis of a low-sinuosity fluvial-dominated succession using digital outcrop models

Lubeseder, S., Redfern, J., Boutib, L., (2009), Mixed siliciclastic-carbonate shelf sedimentation- Lower Devonian sequences of the SW Anti-Atlas, Morocco Source: Sedimentary Geology, 215, 1-4, pp. 13-32

Fabuel-Perez, I., Redfern, J., Hodgetts, D., (2009), Sedimentology of an intra-montane rift- controlled fluvial dominated succession: The Upper Triassic Oukaimeden Sandstone Formation, Central High Atlas, Morocco, Sedimentary Geology, v. 218, iss. 1-4, pp. 103-140.

Baudon, C., Fabuel-Perez, I. and Redfern, J. (2009). "Structural style and evolution of a Late Triassic rift basin in the central High Atlas, Morocco; controls on sediment deposition." Geological Journal, 44(6): pp. 677-691.

Van Lanen, X.M.T., Hodgetts, D., Redfern, J., Fabuel-Perez, I. (2009). " Applications of digital outcrop models; two fluvial case studies from the Triassic Wolfville Fm., Canada and Oukaimeden Sandstone Fm., Morocco." Geological Journal, 44(6): 742-760.

Fröhlich S., Redfern J., Petitpierre L., Marshall J., Power M. P. Grech (2009), Diagenesis and reservoir quality evolution of Lower Carboniferous fluvial channels, western Libya) . Journal of Petroleum Geology

Bodin S., Mattioli E., Frohlich S., Marshall J.D., Boutib L., Lahsini S., Redfern J. (2010). "Toarcian carbon isotope shifts and nutrient changes from the Northern margin of Gondwana (High Atlas, Morocco, Jurassic): Palaeoenvironmental implications." Palaeogeography, Palaeoclimatology, Palaeoecology, 297, pp 377-390.

Bodin, S., Wood, J., Petitpierre, L., Redfern, J. (2010). Timing of Early to Mid-Cretaceous tectonic phases along North Africa: New insights from the Jeffara escarpment (Libya-Tunisia) Journal of African Earth Sciences 58, 3. pp 489-506.

Thomas, M. F. H., Bodin, S., Redfern, J., Irving, D. H. B. (2010). "A constrained African craton source for the Cenozoic Numidian Flysch: Implications for the palaeogeography of the western Mediterranean basin." Earth Science Reviews 101, 1. pp 1-23.

Fröhlich, S., Petitpierre, L., Redfern, J., Grech, P., Bodin, S., Lang, S. (2010). "Sedimentological and sequence stratigraphic analysis of Carboniferous deposits in western Libya: recording the sedimentary response of the northern Gondwana margin to climate and sealevel changes." Journal of African Earth Sciences 57 (4), pp. 279-296

Catterall, V., Redfern, J., Gawthorpe, R.L., Hansen, D.M & Thomas, M.H.F (2010), Architectural Style and Quantification of a Submarine Channel-Levee Systems located in a structurally complex area: Offshore Nile Delta, Journal of Sedimentary Research, v. 80; no. 11; pp. 991-1017; DOI: 10.2110/jsr.2010.084

Fabuel-Perez, I., Hodgetts, D. and Redfern, J. (2010). " Integration of digital outcrop models (DOMs)and high resolution sedimentology; workflow and implications for geological modelling; Oukaimeden Sandstone Formation, High Atlas (Morocco)." Petroleum Geoscience, 16, 133-154.133-154.

Lubeseder S., Redfern J., Petitpierre L., Fröhlich S.. (2011). Stratigraphic trapping potential in the Carboniferous of North Africa: developing new play concepts based on integrated outcrop sedimentology and regional sequence stratigraphy (Morocco, Algeria, Libya). Geological Society, London, Petroleum Geology Conference series 2011, v. 7, p. 725-734, doi: 10.1144/0070725

Thomas, M.F.H., S. Bodin, Redfern J. Comment on European provenance of the Numidian Flysch in northern Tunisia'by Fildes et al.(2010) Terra Nova 22 (6), 501-503

Bodin S., Fröhlich, S., Boutib, L., S Lahsini, S., and Redfern J. (2011). Early Toarcian Source-Rock Potential in the Central High Atlas Basin (Central Morocco): Regional Distribution and Depositional Model. Journal of Petroleum Geology 34 (4), 345-363

Redfern, J., Shannon, P.M., Williams, B.P.J., Tyrell, S., Leleu, S., Fabuel Perez, I., Baudon, C., Stolfova, K., Hodgetts, D., Speksnijder, A., Haughton, P.D.W, Daly, J.S. , ( 2011) An integrated study of Permo- Triassic basins along the North Atlantic passive margin: implication for future exploration. Geological Society, London, Petroleum Geology Conference series, v. 7, p. 921-936, doi: 10.1144/0070921

Mader, N. K. and Redfern, J. (2011). A sedimentological model for the continental Upper Triassic Tadrart Ouadou Sandstone Member: recording an interplay of climate and tectonics (Argana Valley; South-west Morocco), Sedimentology, 1365-3091 DOI: 10.1111/j.1365-3091.2010.01204.x

Baudon, C., Redfern, J., & Van Den Driessche P., J, (2012), Permo-Triassic structural evolution of the Argana Valley and implications on the kinematics and impact of the Atlantic rifting in the High Atlas, Journal of African Earth Sciences, 65, 91-104.

Huuse M., Le Heron D. P., Dixon R., Redfern J., Moscariello A. and Craig J. (2012) Glaciogenic reservoirs and hydrocarbon systems: an introduction. Geological Society, London, Special Publications v.368; p1-28. doi: 10.1144/SP368.19

Martin, J.R., Redfern J. and Williams B.P. J. (2012) Evidence for multiple ice centres during the late Palaeozoic ice age in Oman: outcrop sedimentology and provenance of the Late Carboniferous−Early Permian Al Khlata Formation. Geological Society, London, Special Publications 2012, v.368; p229-256. doi: 10.1144/SP368.18

Jiménez Berrocoso Á., Bodin S., Wood J., Calvert S. E., Mutterlose J., Petrizzo M., R., Redfern J. (2013). Dynamic sedimentary conditions during periods of enhanced sequestration of organic carbon in the central southern Tethys at the onset of the Cenozoic global cooling. Sedimentary Geology v290, pp. 60-84

Wood, J.D., Bodin S., Redfern J., Thomas M.F.H. (2014), Controls on facies evolution in low accommodation, continental-scale fluvio-paralic systems (Messak Fm, SW Libya), Sedimentology V 301 p49-69

Le, A.N., Huuse, M., Redfern, J., Gawthorpe, R.L. & Irving, D. (2015). Seismic characterization of a Bottom Simulating Reflection (BSR) and plumbing system of the Cameroon margin, offshore West Africa. Marine and Petroleum Geology,http://dx.doi.org/10.1016/j.marpetgeo.2014.12.006.

English K.L., Redfern , J., Corcoran, D.V., English, J.M., Yahia R.C. 2016. Constraining burial history and petroleum charge in exhumed basins: New insights from the Illizi Basin, Algeria. AAPG Bulletin. DOI: 10.1306/12171515067

English, K., Redfern, J., Bertotti, G., English, J., Cherif, R.Y. 2016. Intraplate uplift: new constraints on the Hoggar dome from the Illizi basin (Algeria). Basin Research . doi: 10.1111/bre.12182

English, K. L., English, J. M., Bonnell, L. M., Redfern, J., Lander, R. H., Hollis, C., Yahia Cherif, R.(2017). Controls on reservoir quality in exhumed basins – an example from the Ordovician sandstones, Illizi basin, Algeria. Marine and Petroleum Geology, 80, 203- 227. https://doi.org/10.1016/j.marpetgeo.2016.11.011

Newport, R., Hollis, C., Bodin, S. and Redfern, J. 2017, Examining the interplay of climate and low amplitude sea-level change on the distribution and volume of massive dolomitisation: Zebbag Formation, Cretaceous, Southern Tunisia. Depositional Rec.. doi:10.1002/dep2.25

Mader K, N., Redfern, J., Ouataoui M., (2017), Sedimentology of the essaouira basin (meskala field) in context of regional sediment distribution patterns during upper triassic pluvial events. Sedimentology, doi.org/10.1016/j.jafrearsci.2017.02.012

Luber T, L., Bulot, L.G., Redfern, J., Frau, C., Arantegui, A., Masrour, M., (2017), A revised ammonoid biostratigraphy for the Aptian of NW Africa: Essaouira-Agadir Basin, Morocco., Cretaceous Research, 79, p 12-34, http://dx.doi.org/10.1016/j.cretres.2017.06.020

Heldreich, G., Redfern, J., Legler, B., Gerdes, K. & Williams, B. P. J. (2017), Challenges in characterizing subsurface paralic reservoir geometries: a detailed case study of the Mungaroo Formation, North West Shelf, Australia, Geological Society Special Publication. DOI: 10.1144/SP444.13

Muniz Pichel, L., Finch, E., Huuse, M. & Redfern, J. (2017), The influence of shortening and sedimentation on rejuvenation of salt diapirs: A new Discrete-Element Modelling approach, Journal of Structural Geology. DOI: 10.1016/j.jsg.2017.09.016

Bradley, G-M., Redfern, J., Hodgetts, D., George, A. D. & Wach, G. D. (2018), The applicability of modern tidal analogues to pre-vegetation paralic depositional models, Sedimentology. DOI: 10.1111/sed.12461

Casson, M., Cavin, L., Jeremiah, J., Bulot, L.G. and Redfern, J. (2018) Fishing in the Central Atlantic, an earliest Cenomanian ichthyodectiform from DSDP Site 367, Cape Verde Basin. Journal of Vertebrate Paleontology, p.1-5.

Luber, T.L., Bulot, L.G., Redfern, J., Nahim, M., Jeremiah, J., Simmons, M., Bodin, S., Frau, C., Bidgood, M. and Masrour, M. (2019) A revised chronostratigraphic framework for the Aptian of the Essaouira- Agadir Basin, a candidate type section for the NW African Atlantic Margin. Cretaceous Research, 93, p.292-317.

Muniz- Pichel, Redfern, J., et al, 2019, The influence of base-salt relief, rift topography and regional events on salt tectonics offshore Morocco, Marine and Petroleum Geology, DOI: https://doi.org/10.1016/j.marpetgeo.2019.02.007

Angel Arantegui, Jerrett R., Schröder S., Bulot.L.G., Gatto, R., Monari, S.,Redfern J., 2019, Constraining Mesozoic early post-rift depositional systems evolution along the eastern Central Atlantic margin, Sedimentary Geology 386 (2019) 31–51

Newport, R, Segura, M., Redfern, J., Hollis, C. (2019) The interaction of tectonics, climate and eustasy in controlling dolomitization: A case study of Cenomanian–Turonian, shallow marine carbonates of the Iberian Basin. Sedimentology. https://doi.org/10.1111/sed.12704

Bradley, G-M., Redfern, J., Hodgetts, D., George, A. D. & Wach, G. D. (2018), The applicability of modern tidal analogues to pre-vegetation paralic depositional models, Sedimentology. DOI: 10.1111/sed.12461

Camille Frau, C, A, J.-B, Tendil, Cyprien Lanteaume, Jean-PierreMasse, AntoinePictet, Luc G.Bulot, Tim L. Luber, Redfern, J., Borgomano J, R., Léonide, P., Fournier F., Massonnat, G., (2018), Late Barremian– early Aptian ammonite bioevents from the Urgonian-type series of Provence, southeast France: Regional stratigraphic correlations and implications for dating the peri-Vocontian carbonate platforms. Cretaceous Research, Volume 90, p, 222-253 https://doi.org/10.1016/j.cretres.2018.04.008

Casson, M., Cavin, L., Jeremiah, J., Bulot, L.G. and Redfern, J. (2018) Fishing in the Central Atlantic, an earliest Cenomanian ichthyodectiform from DSDP Site 367, Cape Verde Basin. Journal of Vertebrate Paleontology, p.1-5.

Luber, T.L., Bulot, L.G., Redfern, J., Nahim, M., Jeremiah, J., Simmons, M., Bodin, S., Frau, C., Bidgood, M. and Masrour, M. (2019) A revised chronostratigraphic framework for the Aptian of the Essaouira-Agadir Basin, a candidate type section for the NW African Atlantic Margin. Cretaceous Research, 93, p.292-317.

Muniz- Pichel, Redfern, J., et al, 2019, The influence of base-salt relief, rift topography and regional events on salt tectonics offshore Morocco, Marine and Petroleum Geology, DOI:https://doi.org/10.1016/j.marpetgeo.2019.02.007

Angel Arantegui, Jerrett R., Schröder S., Bulot.L.G., Gatto, R., Monari, S.,Redfern J., 2019, Constraining Mesozoic early post-rift depositional systems evolution along the eastern Central Atlantic margin, Sedimentary Geology 386 (2019) 31–51

Newport, R, Segura, M., Redfern, J., Hollis, C. (2019) The interaction of tectonics, climate and eustasy in controlling dolomitization: A case study of Cenomanian–Turonian, shallow marine carbonates of the Iberian Basin. Sedimentology. https://doi.org/10.1111/sed.12704

Casson, M., Bulot, L ,G. Redfern, J.,(2020),Deep sea rock record exhumed on oceanic volcanic islands: the Cretaceous sediments of Maio, Cape Verde. Gondwana Research, v81, p252-264, DOI: 10.1016/j.gr.2019.11.007

Wang, J., Bulot, L.G , Taylor K, G., Redfern, J., Controls and timing of Cenomanian-Turonian organic enrichment and relationship to the OAE2 event in Morocco, North Africa, Marine and Petroleum Geology 128 (2021) https://doi.org/10.1016/j.marpetgeo.2021.105013

Casson, M., Jeremiah, J., Calves̀, G., de Ville de Goyet, F., Reuber, K., Bidgood, M., Reháková D., Bulot L., and Redfern J., (2021), Evaluating the segmented post-rift stratigraphic architecture of the Guyanas continental margin Petroleum Geoscience https://doi.org/10.1144/petgeo2020-099

Charton, R., Kluge C., Fernandez-Blanco,D., Duval-Arnould A., Bryers,O., Redfern, J., Bertotti G., (2021) Syn-depositional Mesozoic siliciclastic pathways on the Moroccan Atlantic margin linked to evaporite mobilization. Marine and Petroleum Geology (2021), https://doi.org/10.1016/j.marpetgeo.2021.105018

Duval-Arnould, A., Schroder, S., Charton, R., Joussiaume, R., Razin, P., Redfern, J., (2021) Early post-rift depositional systems of the Central Atlantic: Lower and Middle Jurassic of the Essaouira-Agadir Basin, Morocco, Journal of African Earth Sciences (2021) https://doi.org/10.1016/j.jafrearsci.2021.104164

Mounteney, I., Casson, M., Rushton, J., Millar, I., Dethie,N., Redfern., J., Cenozoic to modern-day source to sink systems of Senegal: A record of provenance, transport, recycling and climate controls (2021) Journal of African Earth Sciences 178 https://doi.org/10.1016/j.jafrearsci.2021.104150

Petitpierre, L.., Frohlich,S., Bodin,S., Grech, P,V., Lang S., Vachtman,D., Redfern J., (2021), Sharp-based shoreface sandstones in the Early Carboniferous sediments of the Awaynat Wanin area (western Libya), Journal of Africa Earth Science (2021) https://doi.org/10.1016/j.jafrearsci.2021.104168

Koeshidayatullah, A., Al-Sinawi, N., Swart, P.K., Boyce,A., Redfern, J., and Hollis. C., "Coevolution of diagenetic fronts and fluid-fracture pathways." Scientific Reports 12, no. 1 (2022): 9278

Bryers, O., Bulot, L.G., Duval-Arnould, A., Hollis, C., and Redfern. J., "Kilometre-scale coral carpets on mixed carbonate-siliciclastic platforms; a sedimentological study from the Lower Cretaceous of northwestern Africa." Palaeogeography, Palaeoclimatology, Palaeoecology 587 (2022): 110792

Wang, J, Redfern, J., Bulot, L.G., and Taylor. K.G.(2023) "Controls on preservation of organic matter during the Cenomanian Ocean Anoxic Event II (OAE2) and Turonian global sea-level rise: Agadir Basin, Morocco." Journal of African Earth Sciences 207

Duval-Arnould, A., Bulot, L., Masrour, M., Simmons, M., Bonnot, A., Charton, R., Redfern, J. and Schröder, S., (2024). A new sedimentary and biostratigraphic framework for the Callovian-Oxfordian transition on the Atlantic margin of Morocco. Journal of African Earth Sciences, 210, p.105164.

Al-Sinawi, N., Hollis, C., Duval-Arnould, A., Koeshidayatullah, A., Schröder, S. and Redfern, J., (2024). Dolomitization of early-post rift Lower Jurassic carbonate platforms along the Moroccan Atlantic Margin: Origin and significance. Journal of African Earth Sciences, 211, p.105167.

Duval-Arnould, A., Bulot, L., Charton, R., Jain, S., Masrour, M., Pomar, L., Redfern, J., Simmons, M. and Schröder, S., (2024). Architecture of Oxfordian coral buildups along the Atlantic margin of Morocco. Journal of African Earth Sciences, 213, p.105206.

Roquette, E., Lovell-Kennedy, J., Pichel, L.M., Schröder, S., Charton, R., Millar, I., Frau, C. and Redfern, J., (2024). Integrated multi-proxy source-to-sink analysis of Late Barremian (Lower Cretaceous) clastic systems in the Essaouira-Agadir Basin. Journal of African Earth Sciences, p.105205

Pearson, M., Casson, M., Millar, I., Charton, R., Redfern, J., Cretaceous climate change evidenced in the Senegalese rock record, NW Africa, Journal of African Earth Sciences, Volume 211, 2024, doi.org/10.1016/j.jafrearsci.2023.105166

Pearson, M., Casson, M., Pashley, V. and Redfern, J. (2024), Sun, Sea and Sand; Cretaceous Source to Sink Systems of Senegal, NW Africa. Basin Res, 36: doi.org/10.1111/bre.70008

Arantegui, A., Jerrett, R., Lovell-Kennedy, J., Bulot, L., Charton, R.,Redfern,J., Sedimentology and stratigraphy of lower Cretaceous fluvial to shallow marine deposits on the central Atlantic passive margin: The Aaiun-Tarfaya Basin, Morocco, Journal of African Earth Sciences, Volume 218, 2024, 105380, ISSN 1464-343X, https://doi.org/10.1016/j.jafrearsci.2024.105380.

Wang Jianpeng, Bulot , L,. Taylor, K.G, Redfern, J., (2024) Carbon isotope stratigraphy and biostratigraphy, and associated organic carbon deposition during the Late Cenomanian to Early Turonian in the Tarfaya Basin, Morocco, 2024, Palaeogeography, Palaeoclimatology, Palaeoecology