Maiganga Coal, Benue Trough, PAHs, Stable Isotopes, Source Input, Paleovegetation, paleoclimate
Organic Geochemistry, Source rock, crude oil, Malay Basin, biomarker
Biostratigraphy, Organic petrography, carbon isotope, graptolite, Ordovician-Silurian sediments
Crude oil, Organic geochemistry, Asphaltene, Marine source rocks, Shabwah depression, Central Sab'atayn Basin, Yemen
Carbonaceous shale, Kapurdi Member, Petroleum generation potential, Barmer Basin, NW India