CARBON-SULFUR PLOTS TO SHOW DIAGENETIC AND EPIGENETIC SULFIDATION IN SEDIMENTS

Abstract

Organic carbon vs. sulfide sulfur plots are now being used regularly by many geochemists to help understand recent and ancient depositional environments and diagenetic processes. Usually, these plots are useful to recognize nonmarine vs. marine environments or oxic vs. anoxic vs. euxinic depositional environments. However, C vs. S plots can also indicate diagenetic and epigenetic events that produce ?excess? sulfide. Four new examples are presented and discussed.