Deep marine biosphere fuelled by increasing organic matter availability during burial and heating

Article Abstract:

Relatively low-temperature heating during burial boosts the bioavailability of sedimentary organic matter, according to research into pore-water acetate concentration at two sites in the Atlantic Ocean. This is shown in significant rises in pore-water acetate concentrations. This research suggests that viable bacterial populations could exist in marine sediments much deeper than the deepest samples analyzed at present. High-temperature bacteria could develop as temperature rises in even deeper sediments.

Marine sediments, Bacteriology

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Periodicity in marine phosphorus burial rate

Article Abstract:

The best method of identifying a periodicity of 26-33 million years (Myr) in terrestrial and extraterrestrial records is by analyzing geomarine evolutionary records. The marine sedimentary phosphorus burial rate (PBR) was analyzed and a harmonic component of 33 plus or minus 3 Myr was found, supporting the concept of cyclic geo-marine processes.

Phosphorus, Phosphorus (Chemical element), Sedimentation analysis, Cycles

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Quick burial at sea

Article Abstract:

The impact of burial and decomposition of various organic matters on the atmospheric composition of different gases is explained.

Science & research, Influence, Organic wastes, Atmospheric composition, Sedimentation

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