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20 answers for: Rock formed by lava
RANKANSWERCLUE
BASALTRock formed by lava
OBSIDIANA hard, dark glasslike volcanic rock formed by lava solidifying (8)
IGNEOUSOf rock, formed by the cooling and solidification of magma or molten lava (7)
LAVAMagma (molten rock) that emerges as a liquid onto Earth's surface. The term is also used for the solidified rock formed by the cooling of a molten flow. (4)
SEDIMENTARYRock formed by fragment deposit(11)
VOLCANICOf rock, formed by magma (8)
SHALESedimentary rock formed by layers of clay (5)
BROWNCOALSoft sedimentary rock formed by the heating and compression of peat, also called lignite (5,4)
CRYSTALSRocks formed by the solidification of a substance (8)
STEPTOEIsolated hill surrounded by lava
PUMICELight volcanic rock formed from solidified lava (6)
BASALTICLike rock formed from lava that's cooled (as in cold)
LIMESTONERock formed from sediment
SEDIMENTARYROCKRock formed from sediment
SANDSTONERock formed from sediment
CHEMICALSEDIMENTARYROCK
Rock formed from sediment
CLASTICROCKRock formed from sediment
LITHIFIEDSEDIMENT
Rock formed from sediment
MECHANICALSEDIMENTARYROCK
Rock formed from sediment
NONCLASTICROCKRock formed from sediment