Obsidian is an extrusive igneous rock, formed from rapidly cooling lava.
Quartzite is itself a metamorphic rock. It usually forms from sandstone, which is sedimentary.
Neither. It is metamorphic.
it is a metamorphic rock
igneous
Metamorphic
there are 4 bill bob and jerry and the one in abi's head she likes to call a brain Igneous, Sedimentary, and Metamorphic.
Rock contained within a sedimentary rock could be igneous, metamorphic, sedimentary, or any combination of the three rock types in origin.
Obsidian is an igneous rock.
Osidian is a igneous rock
Igneous rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into igneous or sedimentary rock.
Graphite is a mineral, not a rock that is classified as metamorphic, igneous or sedimentary.
It is a Metamorphic rock
metamorphic rock
It is a Metamorphic rock
it is a metamorphic rock
Three (3) rocks in the rock cycle are sedimentary, igneous, and metamorphic rock.
It is a Sedimentary rock
It is a Sedimentary rock
Igneous Rock