Answer: sial

AnswerCrossword Clue
SIALRock formation.
sialthe assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the earth's crust
siala type of rock formation
SIALOuter portion of the Earth
SIALUpper layer of earth's crust
SIALOuter portion of the earth
SIALEarth's crust
SIALRock formation
SIALPart of the earth's crust
SIALCrust-forming rock
SIALLayer of rocks.
SIALIgneous rock.
SIALSiliceous rock: Geol.
SIALSiliceous rock.
SIALOuter portion of the earth: Geol.
SIALLayer of Earth's crust
SIALUpper layer of Earth's crust
SIALLight, granite rock