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Deepwater Systems Reloaded: Advances on our understanding on submarine lobe deposits

Yvonne T. Spychala , David M. Hodgson , Joris T. Eggenhuisen , Stephen Flint , Christopher Stevenson , Mike Tilston , Ian A. Kane , Amadine Prelat & Florian Pohl
Submarine lobes are high aspect ratio sand-rich deposits that are fed by turbidity currents and debris flows via channels in deep-marine settings. As a major component of submarine fans, they represent 1) an important archive of palaeo-environmental change, 2) sinks for organic carbon and pollutants, and 3) are also of economic interest. Classic models describe lobes as purely depositional tabular sheets that thin and fine from an apex. Over the last decade, outcrop studies, numerical...

A 3.77 (or possibly 4.28) billion year history of microbial communities associated with marine hydrothermal vents

Crispin Thomas Stephen Little
Modern hydrothermal vents provide diverse environments for microorganisms. Here there is a large phylogenetic and physiological diversity of bacteria and archaea, occurring in a wide range habitats. An assumption is that similar communities of microorganisms have been present on Earth for an extremely long time, given that there is direct evidence of marine hydrothermal activity going back to the Archaean eon (which began 4 billion years ago), and the hypothesis that life may have originated...

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