Crossword clues for Earth's crust layer 4 letters:SIMAEarth's crust layerSIALLayer of Earth's crustSIALUpper layer of Earth's crustSIMALayer of Earth's crustSIMALower layer of the earth's crustSIMALayer of the Earth's crustMANTLELayer beneath Earth's crustMANTLEEarth layer below the crustMANTLELayer beneath the earth's crustMANTLELayer below the earth's crustMANTLELayer of the earth between the crust and the core
