Flashcards in 8A Deck (12):
Our English word volcano comes from _________ Island in the Mediterranean Sea
Volcanos are made from __________ rocks
Igneous in geology refers to anything having to do with __________ earth materials
What kind of igneous structure is a volcano?
Once magma erupts from the _________, it becomes ________.
All types of magma contain _______.
Name 3 types of magma
1. Basaltic-forms basalt rocks
2. Andesitic- usually dark
3. Rhyolitic- lighter in color
________ are vents in the ground where steam and other gases escape
When volcanos emit solid material like ash or cinder, this material is called ________ material.
Why are there many volcanos near tectonic plates?
Because subduction creates lots of magma
What are the main volcano belts in the world?