[[:file:petroleum-systems_fig3-13.png|Figure 2]] shows the thermal maturity of the two main Ellesmerian(!) petroleum system source rocks, the Shublik Formation and the Kingak Shale. Note that Ellesmerian(!) petroleum system traps (shown in [[:file:petroleum-systems_fig3-12.png|Figure 1]]) are mostly located above immature source rocks. | [[:file:petroleum-systems_fig3-13.png|Figure 2]] shows the thermal maturity of the two main Ellesmerian(!) petroleum system source rocks, the Shublik Formation and the Kingak Shale. Note that Ellesmerian(!) petroleum system traps (shown in [[:file:petroleum-systems_fig3-12.png|Figure 1]]) are mostly located above immature source rocks. |