Q. Petroleum is generally found in : (Solved)
1. igneous intrusions into sedimentary strata
2. old fold mountains
3. alluvial deposits of the river valleys
4. folded marine sedimentary rocks
- d. folded marine sedimentary rocks
1. igneous intrusions into sedimentary strata
2. old fold mountains
3. alluvial deposits of the river valleys
4. folded marine sedimentary rocks