Frompetrol +-i- +-ferous.
petroliferous (comparativemorepetroliferous,superlativemostpetroliferous)
- (geology, petrology, of a rock orgeologicformation) Containing or yieldingpetroleum.
1922,Intermountain Industry and Engineering: Official Publication: Utah Motor Transport Ass'n, volume24:Oil-shales are often the last relics of a former impregnation with petroleum; they are associated with phenomena—such as the intrusive asphaltites or manjacks—common topetroliferous regions, but in many cases the parent oilfields, the sources of the former impregnation, are things of the past.
containing or yielding petroleum
