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20 answers for: Rock composed of volcanic dust (4)
RANKANSWERCLUE
TUFFRock composed of volcanic dust (4)
ASHBit of volcanic dust
HASHTAGLabel referencing topic of volcanic dust that regularly pervades Mercury (7)
TUFAPorous rock composed of calcium carbonate (4)
WASHClean with volcanic dust (4)
ASHYLike, eg, volcanic dust
CHERTFine-grained sedimentary rock composed of crystals of quartz (5)
SCHISTWhat metamorphic rock composed of layers of different minerals can be split into thin plates? (6)
SHALEDark fine-grained sedimentary rock composed of layers of compressed clay, mud or silt (5)
CHALKSoft white rock composed of fine-grained calcium carbonate, chiefly formed from shell fragments of marine fossils (5)
DIORITEIgneous rock composed of feldspar and hornblende
GNEISSPleasant-sounding rock composed of quartz and mica (6)
GREISENRock composed of quartz and mica
AGATERock composed of quartz
BASALTRock composed of barium and sodium chloride (6)
JAVAA chain of volcanic mountains forms the spine of this Indonesian island which lies west of Bali
PIPEA boatswain's whistle; a cask of wine equal to two hogsheads; or, a type of volcanic vent where diamonds are found (4)
LAVASounds like an immature creature of volcanic origin (4)
MAARType of volcanic crater
LIMESTONESedimentary rock composed mainly of calcium carbonate