The role of mass-transport complexes in controlling channel avulsion and the subsequent sediment dispersal patterns on an active margin: The Magdalena Fan, offshore Colombia

The Role of Mass Wasting In the Progressive Development Of Submarine Channels (Espírito Santo Basin, Se Brazil)

“…They evacuate large volumes of sediment and are capable of changing seafloor topography, ultimately controlling the distribution of turbiditic sandstones which comprise important reservoirs for hydrocarbons (e.g., Pickering and Corregidor 2005;Armitage et al 2009;Jackson and Johnson 2009;Joanne et al 2010;Olafiranye et al 2013;Ortiz-Karpf et al 2015;Turner 2015;Kneller et al 2016;Corella et al 2016).…”

“…Armitage et al (2009) further classified three tiers of topographic relief based on the vertical and lateral scales of irregularities on MTDs' top-surfaces: Tier 1 (meters to several meters), Tier 2 (10 m to several tens of meters) and Tier 3 (100 m to several hundreds of meters). Such a topographic hierarchy leads to diverse sediment distribution patterns (Armitage et al 2009), as variations in the volume of accommodation space on top of MTDs are often depend on the internal structure of MTDs, particularly on the distribution of megaclasts or blocks, and on the orientation and scale of faults within MTDs (Armitage et al 2009;Alves 2010;Olafiranye et al 2013;Ortiz-Karpf et al 2015;Kneller et al 2016). Folds and pressure ridges within MTDs also contribute to the generation of irregularities on the top surfaces of MTDs (Olafiranye et al 2013;Kneller et al 2016).…”

“…To better understand accommodation space as a function of MTD geometry and internal structure, the interaction between MTDs and turbidity currents has been documented in a number of studies based on outcrop analogues (e.g., Shultz et al 2005;Lucente and Pini 2008;Jackson and Johnson 2009), seismic data (e.g., Kertznus 2009;Bernhardt et al 2012;Masalimova et al 2015;Ortiz-Karpf et al 2015;Kneller et al 2016), bathymetric data (Corella et al 2016), well and core data (Eggenhuisen et al 2010;Corella et al 2016), and numerical models (Stright et al 2013). These studies have shown that turbidity flows can deposit upstream and above MTDs (e.g., Bernhardt et al 2012;Ortiz-Karpf et al 2015;Corella et al 2016), or, instead, can be erosive to create large-scale scours above MTDs (e.g., Shultz et al 2005).…”

“…These studies have shown that turbidity flows can deposit upstream and above MTDs (e.g., Bernhardt et al 2012;Ortiz-Karpf et al 2015;Corella et al 2016), or, instead, can be erosive to create large-scale scours above MTDs (e.g., Shultz et al 2005). Furthermore, turbidity flows can be diverted by topographic highs created by MTDs, leading to the generation of new sediment routes (Hansen et al 2013;Masalimova et al 2015;Kertznus 2009;Corella et al 2016).…”

Fabric Development and Pore-Throat Reduction in a Mass-Transport Deposit in the Jubilee Gas Field, Eastern Gulf of Mexico: Consequences for the Sealing Capacity of MTDs

“…debris flows, slides, slumps) (Dott, 1963;Nardin et al, 1979;Hampton et al, 1996;Mulder and Cochonat, 1996;Moscardelli and Wood, 2008) ( Figure 1.1). MTCs are volumetrically important in modern and ancient deepwater basins (Posamentier and Kolla, 2003) and have a significant interplay with turbidites (Pickering and Corregidor, 2005;Nelson et al, 2011;Ortiz-Karpf et al, 2015)-a typical reservoirquality deposit in petroleum exploration. Although, for obvious industrial reasons, turbidites have received the most attention during the past decades, the more recent acquisition of high-resolution three-dimensional (3-D) seismic data has shown that many slope and abyssal systems comprise a very significant portion of MTCs.…”