Crossword Clue:

GNEISS a type of rock

Answer	Crossword Clue
ACID	Type of rock
GLAM	Type of rock
SHALE	Type of rock.

LAVA	Type of rock.
OOLITE	Type of rock.
SHALE	Type of rock
POP	Type of rock
ARENA	Type of rock
PROG	Type of rock
GLAM	Glitzy type of rock
SILTSTONE	Type of sedimentary rock

INLIER	Type of rock formation.
BASALTIC	Type of volcanic rock
INDIE	Type of rock or film
ARENA	Type of rock or football
PET	Type of name or rock
ACID	Type of rock or rain
SOFT	Type of rock found in '70s
ARENA	Type of big time band or rock

AVIAN	Type of bone syndrome experienced by Jack's gold-digging girlfriend on "30 Rock"