1. Hecate Strait seems to lack adequate basin lack significant known source rocks . 2. Overlying shales provide additional thickness for the source rocks of this system. 3. Paleocene-Eocene carbonates can be the potential source rocks in the offshore Indus basin. 4. Oils from clastic source rocks tend to be rich in diasteranes. 5. "' 24-n-Propylcholestane "'is a sterane biomarker molecule often found in marine source rocks . 6. These shales thicken into troughs, providing the field's sole source rock . 7. This provides a 3-dimensional look of the trap, and source rock . 8. Upper Cretaceous Sirte Shale of the Rakb Group is the dominant source rock . 9. Additionally, in connection with subduction pressure can be created against underlying oil source rock . 10. Jurassic source rocks began oil movement during the Late Cretaceous.