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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Congo River (1)
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West Africa (1)
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Atlantic Ocean
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North Atlantic
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Northeast Atlantic
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Iberian abyssal plain (1)
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Australasia
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Australia
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Western Australia (1)
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Canada
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Western Canada
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British Columbia (1)
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Europe
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Southern Europe
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Iberian Peninsula
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Portugal (1)
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Italy
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Apennines
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Northern Apennines (1)
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Indian Ocean
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East Indian Ocean (1)
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Exmouth Plateau (1)
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Mediterranean Sea
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West Mediterranean (1)
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North America
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Strait of Georgia (1)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Monterey Canyon (2)
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North Pacific
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Northeast Pacific
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Monterey Canyon (2)
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Northwest Pacific
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South China Sea (1)
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West Pacific
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Northwest Pacific
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South China Sea (1)
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commodities
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petroleum (1)
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elements, isotopes
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carbon
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organic carbon (1)
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geologic age
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Cenozoic
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Quaternary
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Pleistocene (1)
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Tertiary
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Neogene
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Miocene (1)
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Paleogene
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Eocene (1)
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metamorphic rocks
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turbidite (3)
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minerals
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silicates
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framework silicates
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silica minerals
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opal
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opal-CT (1)
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Primary terms
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Africa
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Central Africa
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Congo River (1)
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West Africa (1)
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Atlantic Ocean
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North Atlantic
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Northeast Atlantic
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Iberian abyssal plain (1)
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atmosphere (1)
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Australasia
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Australia
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Western Australia (1)
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Canada
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Western Canada
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British Columbia (1)
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carbon
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organic carbon (1)
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Cenozoic
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Quaternary
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Pleistocene (1)
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Tertiary
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Neogene
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Miocene (1)
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Paleogene
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Eocene (1)
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diagenesis (1)
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earthquakes (1)
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Europe
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Southern Europe
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Iberian Peninsula
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Portugal (1)
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Italy
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Apennines
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Northern Apennines (1)
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geophysical methods (2)
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Indian Ocean
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East Indian Ocean (1)
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Exmouth Plateau (1)
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Mediterranean Sea
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West Mediterranean (1)
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North America
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Strait of Georgia (1)
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Ocean Drilling Program
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Leg 122
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ODP Site 762 (1)
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Leg 149
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ODP Site 898 (1)
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ocean floors (7)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Monterey Canyon (2)
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North Pacific
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Northeast Pacific
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Monterey Canyon (2)
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Northwest Pacific
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South China Sea (1)
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-
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West Pacific
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Northwest Pacific
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South China Sea (1)
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petroleum (1)
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sea-level changes (2)
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sedimentary rocks
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clastic rocks
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mudstone (1)
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sandstone (1)
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sedimentation (1)
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sediments
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clastic sediments
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mud (1)
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marine sediments (6)
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sedimentary rocks
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sedimentary rocks
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clastic rocks
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mudstone (1)
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sandstone (1)
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turbidite (3)
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sedimentary structures
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channels (2)
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sediments
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sediments
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clastic sediments
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mud (1)
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marine sediments (6)
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turbidite (3)
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Globally significant mass of terrestrial organic carbon efficiently transported by canyon-flushing turbidity currents
Controls on upstream-migrating bed forms in sandy submarine channels
Diagenetic priming of submarine landslides in ooze-rich substrates
Extreme erosion by submarine slides
Mud-clast armoring and its implications for turbidite systems
Abstract The consequences of subaqueous landslides have been at the forefront of societal conscience more than ever in the last few years, with devastating and fatal events in the Indonesian Archipelago making global news. The new research presented in this volume demonstrates the breadth of ongoing investigation into subaqueous landslides, and shows that while events like the recent ones can be devastating, they are smaller in scale than those Earth has experienced in the past. Understanding the spectrum of subaqueous landslide processes, and therefore the potential societal impact, requires research across all spatial and temporal scales. This volume delivers a compilation of state-of-the-art papers covering regional landslide databases, advanced techniques for in situ measurements, numerical modelling of processes and hazards.
A multi-disciplinary investigation of the AFEN Slide: the relationship between contourites and submarine landslides
Abstract Contourite drifts are sediment deposits formed by ocean bottom currents on continental slopes worldwide. Although it has become increasingly apparent that contourites are often prone to slope failure, the physical controls on slope instability remain unclear. This study presents high-resolution sedimentological, geochemical and geotechnical analyses of sediments to better understand the physical controls on slope failure that occurred within a sheeted contourite drift within the Faroe–Shetland Channel. We aim to identify and characterize the failure plane of the late Quaternary landslide (the AFEN Slide), and explain its location within the sheeted drift stratigraphy. The analyses reveal abrupt lithological contrasts characterized by distinct changes in physical, geochemical and geotechnical properties. Our findings indicate that the AFEN Slide likely initiated along a distinct lithological interface, between overlying sandy contouritic sediments and softer underlying mud-rich sediments. These lithological contrasts are interpreted to relate to climatically controlled variations in sediment input and bottom current intensity. Similar lithological contrasts are likely to be common within contourite drifts at many other oceanic gateways worldwide; hence our findings are likely to apply more widely. As we demonstrate here, recognition of such contrasts requires multi-disciplinary data over the depth range of stratigraphy that is potentially prone to slope failure.