Structural basin

Geology

Organic chemistry

Pyrite

Kerogen

Sedimentary organic matter

Environmental chemistry

Source rock

Hydrothermal circulation

Total organic carbon

Geochemistry

Paleontology

Mineralogy

Fluid inclusions

Chemistry

Carbonate

Sulfate

δ34S

Sulfur

Organic matter

Sedimentary rock

Geochimica et Cosmochimica Acta

Organic-rich carbonate sediments are deposited in a range of environments today and in the geologic past. A significant part of organic matter (OM) de…

Dynamics of pyrite formation and organic matter sulfurization in organic-rich carbonate sediments