Type of rock (7)
(Other definitions for shale that I've seen before include "Stratified rock" , "Easily split layered rock" , "Layered sedimentary rock" , "Easily-split sedimentary rock" , "Soft sedimentary rock" .)
'type of rock' is the definition.
(I know that slate is a type of rock)
This is the entire clue.
(Other definitions for slate that I've seen before include "Scold; hard rock" , "rock used in building" , "list of candidates" , "Grey metamorphic rock" , "Run down" .)
'type of rock' is the definition.
(I know that granite is a type of batholite)
This is all the clue.
(Other definitions for granite that I've seen before include "A very hard rock from Tangier" , "Hard igneous rock" , "Resilience; stone" , "Coarse-grained igneous rock" , "Very hard type of rock" .)
'type of rock' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for igneous that I've seen before include "(Rock) of volcanic origin" , "Maybe fiery" , "Category of rock, being of solidified molten magma" , "(Of rock) solidified from a molten state" , "produced by fire" .)