File:Sedimentary-basin-analysis_fig4-5.png|{{figure number|1}}Map of hydrocarbon types based on analyses of more than 2000 oil, 600 gas, and 1200 seep samples correlated to specific source rocks. Modified from Gross et al.<ref name=ch04r40 /> | File:Sedimentary-basin-analysis_fig4-5.png|{{figure number|1}}Map of hydrocarbon types based on analyses of more than 2000 oil, 600 gas, and 1200 seep samples correlated to specific source rocks. Modified from Gross et al.<ref name=ch04r40 /> |