Igneous Rocks and Volcanoes Vocab

Front

Rock Cycle

Back

model that illustrates the origin of the 3 basic types of rocks & the interrelatedness of Earth’s materials and processes

Front

Igneous Rock

Back

rock formed from the cooling and hardening (recrystallization) of molten (melted) minerals

Front

Sedimentary Rock

Back

rock formed from weathered products of pre-existing rocks that have been transported, deposited, compacted, & cemented

Front

Metamorphic Rock

Back

rock formed from the alteration of pre-existing rock under the influence of heat and pressure

Front

Intrusive

Back

igneous rock that formed below the Earth’s surface & has larger crystals

Front

Extrusive

Back

igneous rocks that form on the Earth’s surface & has smaller crystals

Front

Phaneritic

Back

igneous texture composed of large crystals that are visible

Front

Aphanitic

Back

igneous texture composed of small crystals not visible

Front

Porphyritic

Back

igneous texture composed of large and small crystals

Front

Glassy

Back

igneous texture that cooled too quickly to have mineral crystals/grains