Rock that's a source of petroleum Crossword Clue

Here is the answer for the crossword clue Rock that's a source of petroleum . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is SHALE.

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Crossword Answer For Rock that's a source of petroleum:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% SHALE Rock that's a source of petroleum (5)
6% LAVA Source of much igneous rock (4) New York Times Oct 6, 2025
5% TREE Wood source (4) Commuter Nov 1, 2025
5% YACHT ___ rock (soft-rock music genre) (5) USA Today Oct 30, 2025
5% STONE Small rock; what rocks are made of (5) The Telegraph Mini Oct 30, 2025
5% ROOT Source (4) Eugene Sheffer Oct 27, 2025
5% EWES Manchego sources (4) LA Times Daily Oct 26, 2025
5% BRAN Source of fiber (4) USA Today Oct 26, 2025
5% ORIGIN Source (6) Thomas Joseph Oct 25, 2025
5% THURBER Source of the quote (7) Newsday Oct 24, 2025
Rock that's a source of petroleum Crossword Clue
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We found 40 solutions for Rock that's a source of petroleum. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is SHALE.

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