Potential answers for "Oil-bearing rocks"

⭐⭐⭐⭐ SHALES
⭐⭐⭐ SHALE
⭐⭐⭐ ORES
⭐⭐⭐ CRUET
⭐⭐ GOODFATS
⭐ REFINES
⭐ TACONITE
⭐ BENZENE
⭐ ICE
⭐ ESSO

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