Clue: Fine-grained rock
We have 2 answers for the clue Fine-grained rock. See the results below.
Possible Answers:
Related Clues:
- Kind of oil
 - Oil source
 - Synfuel source
 - Rock that may hold fossils
 - Mudstone
 - Petroleum source
 - Brick ingredient
 - Fossil medium
 - Shelf material
 - Fossil-yielding rock
 
Last Seen In:
- LA Times - May 12, 2014
 - Washington Post - September 26, 2011
 - USA Today - December 05, 2003
 
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