Sedimentology, Stratigraphic Architecture, and Ichnology of Gravity-Flow Deposits Partially Ponded in a Growth-Fault-Controlled Slope Minibasin, Tres Pasos Formation (Cretaceous), Southern Chile

Depositional processes across the Sinú Accretionary Prism, offshore Colombia

“…Such turbidite system expression is commonly seen in those which form on mobile mud substrates (e.g., offshore West Africa and Northwest Borneo), and are characterised by intraslope basins that form connected corridors rather than the discreet bowl-like closures seen in basins floored by mobile salt substrates (Steffens et al, 2003(Steffens et al, , 2004Fowler et al, 2004;Smith, 2004;Adedayo et al, 2005). Sediment thickness and facies distributions may also reveal the extent to which the substrate was deforming, commonly with marked compensational stacking of sediment bodies within localised depocentres, accompanied by draping or onlap of sediment onto the substrate (Haughton, 1994(Haughton, , 2000(Haughton, , 2001Hooper et al, 2002;Grecula et al, 2003;Shultz and Hubbard, 2005).…”

Disconnected submarine lobes as a record of stepped slope evolution over multiple sea-level cycles

“…Previous studies have demonstrated that stepped slopes evolve temporally, often attributed to active mobile substrates or tectonics (Prather, 2003;Hay, 2012;Jobe et al, 2017; Fig. 1E), healing of mini-basins (Satterfield and Behrens, 1990;Prather et al, 1998;Prather, 2003), or through healing of initial mass-wasting generated slope relief (Shultz and Hubbard, 2005;Romans et al, 2011;Brooks et al, 2018a). An example of topographic relief being healed through time (Phase 1, Fig.…”

“…An example of topographic relief being healed through time (Phase 1, Fig. 14) is the Tres Pasos Formation, Chile, where initial mass wasting resulted in an out of grade slope profile (Shultz and Hubbard, 2005;Armitage et al, 2009) that was subsequently smoothed to permit progradation of the slope (Hubbard et al 2010;Romans et al, 2011). However, exhumed submarine slope systems with the required stratigraphic control and spatial extent to document increasing topography of submarine slope systems are rare and tend to come from small tectonically active basins with steep slopes (e.g., Haughton, 1994;Haughton, 2000;Hodgson and Haughton, 2004;Kane et al, 2010;Moody et al, 2012).…”

“…1). Topography can include three-dimensional confinement of ponded mini-basins (e.g., Prather et al, 1998Prather et al, , 2012aPrather et al, , 2012bPrather et al, , 2017Badalini et al, 2000;Winker and Booth, 2000;Sinclair and Tomasso, 2002;Shultz and Hubbard, 2005;Sylvester et al, 2015); barriers creating tortuous corridors (e.g., Smith, 2004a;Hay, 2012); and more subtle gradient changes (generally <1° to few degrees) of stepped slope profiles (Figs. 1B and 1C), which create higher gradient ramps linking lower gradient steps (e.g., O'Byrne et al, 2004;Smith, 2004a;Barton, 2012;Deptuck et al, 2012;Hay, 2012).…”

Development and flow structures of sand injectites: The Hind Sandstone Member injectite complex, Carboniferous, UK

“…However, examples of downwards injection have been also been reported (Parize and Beaudoin, 1988;Rowe et al, 2002;Parize and Fries, 2003;Shultz and Hubbard, 2005).…”