% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "SHALE"

SHALE
Claylike rock
Fissile rock
Oil source
Oil-yielding rock
Fine-grained rock
Fragile layered rock
Product of mud compaction
Rock used in fracking
Fracking stone
Sedimentary rock
Fuel-yielding rock
Layered rock
Common fossil rock
Rock made in layers
Hydrofracturing fractures it
Synfuel source
Petroleum source
Thin-layered rock
Source of oil
Layered fissile rock
Oil-bearing rock
Rock that may yield oil
Fracking target
Mudstone
Grained rock
Flagstone material
Source of aluminum
Stratified rock
Kerosene source
Rock often containing quartz
__ oil
Flaky rock
Laminated rock
Not exactly hard rock?
Fuel oil source
River-delta material
Fossil holder
Oil-producing rock
Earth's crust, mostly
Rock source of petroleum
Rock made into flagstones
Source of kerosene
Rock.
Petrologist's concern.
Type of rock.
Porous rock.
Clayey rock
Emergency oil source
Kind of rock
Oil rock
Easily split rock
Oil yielder
One source of oil
Potential oil source
___ oil
A source of oil
Argillaceous rock
Rock that splits into bits
An oil source
Cleavable rock
Type of oil
Kind of oil
Oily stone
Rock that may hold fossils
Brick ingredient
Fossil medium
Shelf material
Fossil-yielding rock
Fossil source
Slate, originally
Rock used for flagstones
Mineral layer involved in fracking
Something settled long ago?
Fracking material
Something fracked in fracking
Some mudrock
Rock in which fossils can be found
Thin-layered sedimentary rock
Burgess ___ (rock bed noted for its fossils)
Sedimentary stuff
Oily rock
Sedimentary rock well suited to preserving fossils
Hardly hard rock?
Possible source of petroleum
Rock involved in fracking
Fine-grained sedimentary rock
Mud, after centuries
Rock made from layered mud
Rock that splits easily
Rock that's fracked
Easily cleaved rock
Fossil-yielding sedimentary rock
Oil-yielding mineral
Rock from which slate is formed
Soft, sedimentary rock
Laminar rock
Mudstone, e.g.
Compressed clay
Most common sedimentary rock
Mud, after compaction
Frackable rock
Product of clay compaction
Rock formed from compressed mud