igneous rock
Solidified volcanic output
Igneous rock is rock formed from cooled and solidified magma or lava.
The term comes from the Latin word for fire.
Granite and basite are common examples.
Igneous rock is one of the three main rock types, along with sedite and metamorphic rock.
- basaltFine-grained volcanic stone
- magmaMolten rock underground
- lavaErupted liquid stone
- feldsparSilicate mineral group
- pumiceLightweight volcanic abrasive
obsidian · volcanic · lava flow · petrology · plutonic · granite · rhyolite · pyroxene · eruption · mineral crystals · molten · geologic · quartz · crust · tectonic activity · crater · volcanic glass · crystalline
- geologybedrock, fault lines, faults, basalt, mineral
- rocksbasalt, granite, sandstone, marble, shale
- American geologyGrand Canyon, Yellowstone, Rocky Mountains, Appalachians, Sierra Nevada
- geology termsfossils, schist, core sample, gneiss, strata
- British geologychalk, flint, limestone, shale, sandstone
- Canadian Shieldboreal forest, glacial lakes, Hudson Bay, Lake Superior, gneiss