Organic geochemistry and petrology of the Gomo Member, Recôncavo Basin, Brazil

► TOC > 0.5 wt.%, but has a relatively low hydrocarbon generation potential. ► Kerogen type II, with terrestrial and lacustrine contribution to the organic matter. ► Marginal to low and moderately mature stages of the oil generation window. ► Southern compartment had the highest petroleum generation potential.