The interactions between clay minerals and organic matter, specifically adsorption, are
widely recognized as a crucial mechanism for promoting the preservation of organic matter …

The seabed plays a key role in the marine carbon cycle as a) the terminal location of aerobic
oxidation of organic matter, b) the greatest anaerobic bioreactor, and c) the greatest …

Paleoredox conditions are commonly evaluated based on elemental proxies but, despite
their frequency of use, most of these proxies have received little comparative evaluation or …

Redox-sensitive trace metals have been used extensively as geochemical proxies to infer
the redox-status of marine sediments at the time of their deposition, and by extension, the …

The evolution of oxygen cycles on Earth's surface has been regulated by the balance
between molecular oxygen production and consumption. The Neoproterozoic–Paleozoic …

Coastal seagrass, mangrove and salt-marsh ecosystems—also termed blue-carbon
ecosystems—play an important role in the global carbon cycle. Much of the organic carbon …

Organic carbon in marine sediments is a critical component of the global carbon cycle, and
its degradation influences a wide range of phenomena, including the magnitude of carbon …

The loss of organic carbon during passage through the continuum of inland waters from
soils to the sea is a critical component of the global carbon cycle,,. Yet, the amount of …

Although marine productivity is a key parameter in the global carbon cycle, reliable
estimation of productivity in ancient marine systems has proven difficult. In this study, we …

Quantifying the rates of biogeochemical processes in marine sediments is essential for
understanding global element cycles and climate change. Because organic matter …