Potential answers for "Oil-producing matter in shale"

⭐⭐⭐⭐ KEROGEN
⭐⭐⭐ KEROSENE
⭐⭐⭐ OLIVE
⭐⭐⭐ OPEC
⭐⭐⭐ SHALE
⭐⭐⭐ SYNFUEL
⭐⭐⭐ PALM
⭐⭐⭐ OLIVEGROVE

What is this page?

Need help with another clue?
Try your search in the crossword dictionary!


People who searched for this clue also searched for:
Chat up at a bar, say   Luau music makers, for short   User names on Twitter