The most common and most likely answer to this crossword clue is the 7 letter word KEROGEN which also is the latest solution we found used in New York Times in 1990.
Source of shale oil crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| KEROGEN | 100 % | 7 |
Words with a meaning similar to the clue: Source of shale oil
These words may or may not be a possible solution to this crosswords clue.- kerogen
- kerosene
- cod
- oil shale
- shale oil
- olive
- flaxseed
- linseed
- rapeseed
- soybean
- cottonseed
- flax
Crossword Answer definitions
KEROGEN noun- Any organic matter present in a sedimentary rock that is insoluble in organic solvents; the precursor of oil and natural gas
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution