22 June, 2023 Lisbon Lisboa Portugal

Mixed/Hybrid Systems (Turbidite, MTDs and Contourites) on Continental Margins

F. Javier Hernández-Molina, Karyna Rodriguez & Neil Hodgson

21-22 June 2023
Lisbon, Portugal
short course image


Sediment gravity flows and along-slope bottom currents (contourites) are the two main deep-water sedimentary processes shaping the continental margins and controlling the stacking patterns of their sedimentary successions. Depending on which one of these processes dominates, either a pure mass transport deposit (MTD), turbiditic or contourite depositional systems develop. But, when these processes interact each other, a hybrid or mixed depositional systems are generated. These hybrid systems are characterized by a wide spectrum of systems dominated by either along- or down-slope processes forming morphological features and deposits which deviate away from end-member models. These hybrid systems have only just been recently identified but due to their economic importance proven by recent significant discoveries (Coral and Mamba Fields, Mozambique and Jubilee Field, Ghana) they have begun to be studied in more detail.


Examples of hybrid / mixed depositional systems have been described in the offshore of Mozambique, Uruguay, Brazil, Argentina and Antarctica. In spite of these examples and their importance, there is a lack of knowledge about these systems themselves and the nature of processes interaction at the base of their origin. Similarly, the role of bottom-currents in the redistribution and reworking of deep-water sediments forming contourite systems, has been clearly underestimated. The diagnostic criteria to identify them at the facies and seismic scales in relation to sediment gravity flows deposits is still missing and the paleoceanographic implications are unknown. The interaction of processes promotes the deposition of clean sandstone deposits as a result of vigorous bottom currents, or due to the reworking of overspill sediments in both canyons/channels and inter-channel areas, which have renewed interest and attention from both academia and the exploration industry which should result in providing insights into a great future exploration opportunity.

Wednesday 21 June 2023
8.30 - 8.55 Registration and Arrival Coffee
8.55 - 9.00 Welcome from Chairmen
9.00 - 9.30 Keynote-1 Gravitational Processes and Deposits
Ben Kneller (Univ. Aberdeen, UK)
Session 1: Processes & Deposits
9.30 - 9.50 Seismic Characterization of Cretaceous Deposits Reworked by Bottom Currents, Norwegian Sea, Norway
Serié, C.
9.50 - 10.10 The Onset of Deep-Water Circulation Through the Equatorial Atlantic Gateway: Evidence From Mid-Cretaceous Sediment Waves and Contourite Drifts, Offshore of Guinea
Duarte, D.
10.10 - 10.40 Morning Coffee Break - Posters
10.40 - 11.00 The Cretaceous-Paleogene Evolution of Bottom Current Activity in the Northern Carnarvon Basin, North West Shelf of Australia
Elders, C.
11.00 - 11.20 An Early Cenozoic Shelf Basin Succession – Mixed Marine Deposits From Onshore Svalbard (Norway), European Arctic
Weber, M.
11.20 - 11.40 Tracing the Origins of the Deep-Water Systems Offshore Mauritania Using Mega-Regional 3D Seismic Data
Gillbard, E.
11.40 - 12.00 Dynamic Mass Transport and Turbidite Processes Extracted From 3D Seismic Data
Laake, A.
12.00 - 12.20 Aviat, North Sea: Pleistocene Contourite or Hyperpycnite?
Cater, J.
12.20 - 13.15 Lunch Break
13.15 - 13.45 Keynote-2 Mixed Systems
Sara Rodrigues (RHUL, UK)
13.45 - 14.05 Deep Marine Gaps as Areas of Heightened Bottom Current Reworking of Fine-Grained Hemipelagic Sediments: A Case Study of Mixed (Pelagic-Contourites) in the NE Atlantic
Glazkova, T.
14.05 - 14.25 Evolution of Slope Deposition in the Zambezi Delta Depression (Mozambique): Transition From Along to Down-Slope Dominated Processes
Moragas, M.
14.25 - 14.45 The Stratigraphic Position of Contourites and Reworked Turbidites: Taking the Pulse of Internal Processes?
Hernández-Molina, F.J.
14.45 - 15.05 Thick-Bedded Turbidites and Hybrid Event Beds (HEB) in Tajau Sandstones, Kudat Formation, NW Sabah, Malaysia
Binti Abdul Jalil, N.
15.05 - 15.30 Afternoon Coffee Break - Posters
15.30 - 16.00 Keynote-3 Ichnological Analysis: A Tool for Characterizing Contourites, Turbidites & Other Deep-Marine Sedimentary Systems
Francisco J. Rodriguez-Tovar (Univ. Granada, Spain)
16.00 - 16.20 Trace Fossils Affecting Petrophysical Properties of Bottom Current Deposits: The Case of Macaronichnus
Dorador, J.
16.20 - 16.40 Trough Mouth Fans as High-Resolution Source-to-Sink Archives Formed by Contourites, Turbidites, Debris Flows, and Megaslides
Bellwald, B.
16.40 - 17.00 Pockmark Fields on the Marquês De Pombal Fault Block, Southwest Iberian Margin
Gamboa, D.
17.00 - 18.30 Posters
18.30 Closing of Day 1
Thursday 22 June 2023
8.30 - 8.55 Registration and Arrival Coffee
8.55 - 9.00 Introduction
9.00 - 9.30 Keynote-4 Contourite and Mixed Systems: Conceptual and Economic Implications in a Lower Carbon Energy World
Adriano Viana (Petrobras, Brazil)
Session 2: Hybrid / Mixed Depositional Systems
9.30 - 9.50 Deep-Water Depositional Architectures in a Continental Passive Margin Setting in Western Black Sea Basin (Offshore Romania and Bulgaria)
Panaiotu, D.
9.50 - 10.10 Northern Santos Basin, Brazil: A Seismic Laboratory to Study Different Types of Deepwater Systems
Assis, V.
10.10 - 10.40 Morning Coffee Break - Posters
10.40 - 11.00 Seismic Characterization of Contourites and Mixed Depositional Systems Along the East Coast of South Africa
Africa, R.
11.00 - 11.20 Seismic Stratigraphy of an Eocene-Pliocene Mixed Depositional System on the SE New Zealand Continental Margin, Great South Basin
Ibezim, O.
11.20 - 11.40 Interpretation of Seismic Data for Mixed Systems – From 2D to 3D
Laake, A.
11.40 - 12.00 Bottom Current Activity and Impact on Mixed Systems: The Unique Case Off Nova Scotia, Canada
Rodrigues, S.
12.00 - 13.00 Lunch Break
13.00 – 13.30 Keynote-5 Are Mixed Deepwater Systems Part of the Next Oil and Gas Revolution?
Jon Rotzien (Basin Dynamics, USA)
Session 4: Numerical Models & Tank Experiments
13.30 - 13.50 Laboratory Process-Product Modelling of Mixed Turbidite-Contourite Depositional Systems
Eggenhuisen, J.
13.50 - 14.10 Analogue Experiments of Mixed Turbidite-Contourite Systems: Linking Flow Dynamics to Grainsize Trends
Adema, P.
14.10 - 14.30 Turbulent Structure of Super-Critical & Sub-Critical Turbidity and Gravity Currents
Balachandar, S.
14.30 - 15.00 Afternoon Coffee Break - Posters
Session 5: Implications on Geosciences Applied to Energy Transition / Geoenergy
15.00 - 15.20 Contourites and Sediment Waves: Targets or Pitfalls in Hydrocarbon Exploration?
Raisson, F.
15.20 - 15.40 Oligocene Turbidite HC Reservoir Around Africa Margins: Relationships Between Offshore Depositional Processes and Inland Dynamics of Africa Continent at Eocene/Oligocene Transition
Lottaroli, F.
15.40 - 16.00 Ocean Gateway in Active Continental Margin Implication to Contourites Deposit as Reservoir Rock Potential: Seismic Investigation in Offshore Indonesia
Cahyagempita, A.P.
16.00 - 16.20 Mapping Reservoir Quality and Stratigraphic Seal in Hybrid Siliciclastic Systems From 3D Seismic Offshore Deepwater Senegal
Winter, F.
16.20 - 16.40 Characteristics and Formation Mechanism of Chang 7 Tight Sandstone Oil Reservoir in Ordos Basin, China
Ma, W.
16.40 – 17.00 Onshore Sandy Contourite Deposits at Miradouro Da Lua – Implication for Blocs 6, 7, 19 and 20 Oil Exploration (Kwanza Basin, Angola)
Cauxeiro, C.
17.00 – 17.20 Paradigms and Challenges of CO2 Geostorage in the Portuguese Atlantic Margin: Implications on the Deepwater Sedimentary Systems
Matias, H.
17.20 – 18.30 General Discussion
18.30 Closing of Workshop
Session 1: Processes & deposits
Ichnological analysis applied to sub-environments characterization within a turbiditic system: a case study from the Tabernas basin (SE Spain)
Cabrera-Ortiz, J.-F.
Pockmark fields on the Marquês de Pombal Fault Block, Southwest Iberian Margin
Gamboa, D.
Channel geometries formed by meltwater turbidites across the last glaciation on the North Sea Fan
Garcia, A.
Discriminatory sedimentary facies for contourites, reworked turbidites, turbidites and hemiplegic/ pelagic deposits
Hernández-Molina, F.J.
Hidden Gem Beneath Tunu Giant Gas Field Slope Deposits & Low Stand Wedge Play in Mahakam PSC, Kutai Basin Indonesia
Irhamsyah, F.M.
Using mixer data weighted blend as a tool for depicting different geobodies in deepwater sediments
Lavrnja, B.
Onset of South China Sea bottom water circulation and its global implications
Liu, S.
Turbiditic currents determine tiering preservation in autocomposite chalky ichnofabrics of pelagite/muddy contourite deposits
Miguez-Salas, O.
Upper paleozoic turbidite-MTD complexes may help understanding stratigraphic traps in continental margins
Mottin, T.
Potential role of mass-transport deposits in petroleum systems: a meso- to micro-scale outcrop-based perspective
Naves de Lima Rodrigues, M.C.
Tortonian paleoenvironmental conditions linked to the deposition of turbidites from the Mediterranean Tabernas Basin (SE Spain): An integrative approach.
Perez-Asensio, J.N.
Halokinetically induced mass-transport deposits in minibasins from northern Santos Basin, Brazil
Rebelo Diório, G.
Sedimentary facies and facies associations of mixed depositional systems: the exemplary cases of Northern Mozambique and Antarctic Peninsula
Rodrigues, S.
Mass transport deposits in the Donegal Barra Fan and their association with British Irish Ice Sheet dynamics
Roy, S.
The slump that never was: a reinterpretation of soft-sediment deformed sandstones from the lower Cretaceous Recôncavo Basin, Brazil
Silveira, D.
Large-scale bottom currents and gravitational features in Santos Basin (SW Atlantic)
Ramos, R. B.
Session 2: Hybrid / mixed depositional systems
Evolution from Late Miocene to present-day of sandy deposits on mixed depositional systems in the Gulf of Cadiz
Llave, E.
Identification of Hybrid Systems from Regional Seismic Datasets
Rodriguez, K.
Bedforms of the mixed turbidite–contourite system in the Cosmonaut Sea, East Antarctica
Yin, S.
Session 3: Data integration & multidisciplinary analysis
Along-slope paleocurrent directions derived from two independent unconventional techniques: magnetic fabric and 2D indicators
Maars, J.
Session 4: Numerical models & tank experiments
Physical Modelling of the Interaction Between Turbidity Current and Contour Current Under the Effect of Coriolis Force, in a straight channel
Bastianon, E.
Session 5: Implications on geosciences applied to energy transition / Geoenergy
Mesozoic-Tertiary carbonate reservoirs in the western flank of the Middle Caspian basin, north-east Azerbaijan
Aliyeva, E.
Shale gas prospects in the Maykopian Formation, Middle Kura basin, Azerbaijan
Aliyeva, E.
Geological interpretation of Ultra-Deep Azimuthal Resistivity (UDAR) for reservoir characterization - A hierarchical interpretation method to fill the gap between well log and seismic scales
Berton, F.
Field Seminar
Lisbon, Portugal
Tuesday, 20 June 2023, 8:00 a.m.–5:00 p.m.

Come along on this 1-day field seminar and tour outcrops in the Serra de Montejunto, just north of Lisbon and on the coast from Porto Novo to Paimogo.

Ricardo Pereira, GeoBioTec - Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa.
Gil Machado, ChronSurveys Lda & Instituto Dom Luiz
€190 - Local VAT applicable
20 Participants
Ground Transportation
Snacks and Refreshments
Lunch and Dinner
Departure Time/Location
20 June 2023 8:30am
Hotel Dom Pedro

Note:Transportation to start point is not included in the costs of this trip. Please bring clothing for hot day time temperatures (sun hat/ sun glasses/ sun cream etc.). Participants must wear suitable and comfortable light trekking shoes.


Geological escarpment near Lisbon PortugalTo gain or increase an understanding of the tectono-sedimentary processes of continental extension and rifting supported by outcrop observations, with focus on deep-depositional marine systems. Discuss implications for prospective petroleum systems. Promote debate and nourish new insights between attendants.

About the Field Trip

Geological escarpment near Lisbon PortugalThe Lusitanian Basin records the proximal events of syn- to post rift evolution of the hyper-extended West Iberian Margin, showing some outstanding examples of the combined tectono-stratigraphic depositional systems. Here, the Late Jurassic reveals diverse aspects of mixed marine depositional systems including not only submarine fans and turbidites, but also the build-up of carbonate reefs and shoreface to fluvial clastic sequences. Throughout the field trip the different depositional aspects can be observed in detail to demonstrate how such depositional systems can vary in time and space. Observation of these outcrops allows a better understanding on how deep-water depositional systems can change within a sub-basin and help improving the understanding of reservoir properties.

Show more
American Association of Petroleum Geologists (AAPG)
Field Seminar
Lisbon, Portugal - SANA Metropolitan Hotel
Friday, 23 June 2023, 8:00 a.m.–5:00 p.m.

Geotour the Alfama (Old Town) of Lisbon with Gil Machado and explore the link between the history of Lisbon and its geology.

Geotour Leader:
Gil Machado, ChronSurveys Lda & Instituto Dom Luiz
Departure Time/Location:
23 June 2023 9:30am
Hotel Dom Pedro
€60 - Local VAT applicable

Note: Comfortable walking shoes, water, sunglasses and hat are recommended

St. Luzia Belvedere
Roman/Moorish Wall - We will be seeing several preserved stretches of the wall and how it was incorporated into the city growth
St. George Castle – We will visit the outer part.
Lisbon Cathedral - We will be seeing the architectural aspects of the church, the building stones and, if open to the public, archaeological finds of the old mosque that stood in the same place.
St. Anthony Church
Roman Theatre - We will have a glimpse of Roman Lisbon with the view over the theatre and we will discuss the building stones used (which derived from many parts of the empire).
Chafariz de Dentro - We will see several historical fountains, old thermal baths and explore the hydrogeology of Lisbon and how water supply affected the development of the city.
Old Ship Harbour - Preserved in modern downtown.
Lunch at a restaurant with historical interest (TBC)
Show more
American Association of Petroleum Geologists (AAPG)
Mixed/Hybrid Systems (Turbidite, MTDs and Contourites) on Continental Margins
Hotel Dom Pedro
Av. Eng. Duarte Pacheco 24
LisbonLisboa 1070-110
Marta Diaz Events Manager
Virtual Delegate Bag
Click on the logos to reveal items

What Can I Do?

Add Item

Enter Notes:
* You must be logged in to name and customize your collection.
Recommend Recommend
Printable Version Printable Version Email to a friend Email to a friend


Opportunities Available

Contact Marta Diaz ([email protected]) to receive information about sponsor packages.

With Support From

The Drifters Research Group

AAPG Non-endorsement Policy

The American Association of Petroleum Geologists (AAPG) does not endorse or recommend any products and services that may be cited, used or discussed in AAPG publications or in presentations at events associated with AAPG.