Crossword Clue:

Oil producing rock

AnswerCrossword Clue
SHALEOil--producing rock
SHALEOil-producing rock
SHALESOil-producing rocks
OLIVEOil-producing plant
SESAMEOil-producing seed
OLIVESOil-producing fruits
IRANOil-producing country
OPECOil-producing org.
SESAMESOil-producing plants
OPECMideast oil-producing group
IRAQGreat oil-producing country.
OPECGp. of oil-producing nations
TULSACenter of oil-producing region.
ECTOROil-producing county of Texas.