magmas

Underground liquid stone

Magmas is the plural of magma, the molten rock found beneath Earth's surface.

When magma reaches the surface through volcanic eruption, it becomes lava.

The word appears in geological contexts discussing multiple bodies or types of molten material: The study compared magmas from different volcanic systems.

geological

molten rock

crust · basaltic · pluton · intrusion · chamber · plume · upwelling · silicate · melt · viscosity

volcanic

eruption

Violent sudden release

  • ventOpening for airflow
  • calderaCollapsed volcanic summit basin
  • craterImpact or volcanic basin

volcano · Kilauea · Etna · Vesuvius · pyroclastic · effusive · explosive · fountain · flow · dike

scientific

crystallization

Forming ordered solid structure

solidification · geochemistry · petrology · temperature · pressure · volatiles · degassing · composition · mineral · olivine

Opposites
physical state

magmassolid rock

Continuous, hard stone

bedrock · igneous rock · granite · basalt · country rock

location/emergence

magmaslava

Erupted liquid stone

lava flows · pyroclastics · tephra

temperature/thermal state

magmasice

Water's solid form

solid rock · glaciers · permafrost · bedrock · frozen ground

Phrases
Family

magma, magmatic

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G