Shale , sedimentary ROCK formed by the consolidation of mud or clay, having the property of splitting into thin layers parallel to its bedding planes.
(sedimentary ROCK; formed; by the consolidation of mud or clay) (Shale; having; the property of splitting into thin layers parallel to its bedding planes)
sedimentary ROCK Shale
formed having
by the consolidation of mud or clay
the property of splitting into thin layers parallel to its bedding planes