Zusammenfassung der Ressource
Volcanoes
- Location
- Constructive Plates Boundaries
- Mid-Atlantic Ridges
- Destructive Plates Boundaries
- Subduction Zones
- Hotspots
- Life Cycle
- Active Volcano
- Dormant Volcano
- Extinct Volcano
- Products of volcanic eruptions
- Lava
- Acid Lava
- Basic Lava
- Pyroclasts
- Pyroclastics Flows
- Poisonous Gases
- Ash, pumice + dust
- Tephra
- Water Vapour
- Lavars
- Mixture of water and rock fragments flowing down the slope
- Nevado del Ruiz, Columbia
- External Landforms
- Volcanic Cones
- Shield Volcanoes
- Volcanic Domes
- Craters
- Volcanic Plugs
- Positive Effects
- Fertile Soil - Terra Rossa
- New land is created
- Geothermal energy
- Tourism
- Negative effects
- Death and destruction
- Lahars
- Predicting
- History of volcanic eruptions
- Seismic patterns
- Gas emission
- Examples
- Mt. St. Helens
- Mt. Etna
- Great openings into the Earth's interior
- Magma forces its way to the surface through
- Vent
- Fissure