mag
ma
Plural
magmas
1
liquid or semi-liquid rock that exists under the earth's surface with an extremely hot temperature
- Magma rises through cracks in the crust, fueling volcanic eruptions.
- Geologists study magma composition to predict volcanic activity.
- The magma chamber beneath Yellowstone National Park is vast and superheated.
- When magma cools underground, it forms intrusive igneous rocks like granite.
- The viscosity of magma depends on its silica content.