Enter a clue or pattern or both:
The Clue
___ oil (5 letter answer)
The Answer
SHALE
Tags
Notes
The answer SHALE is common and appears about once every 225 puzzles.
Related Clues
Mudstone
Argillaceous rock
Brick ingredient
Cleavable rock
Fissile rock
Fossil medium
Fossil source
Kind of oil
Laminated rock
Layered rock
Oil rock
An oil source
Oil source
Oil yielder
Oily stone
Petroleum source
Shelf material
Slate, originally
A source of oil
One source of oil
Source of oil
Synfuel source
Easily split rock
Fine-grained rock
Fragile layered rock
Potential oil source
Rock used for flagstones
Rock that may hold fossils
Rock that splits into bits
Definition
SHALE as a noun:
1. a sedimentary rock formed by the deposition of successive layers of clay