Volcanoes

Description

Mind Map on Volcanoes, created by ferlewicz maciej on 23/10/2017.
ferlewicz maciej
Mind Map by ferlewicz maciej, updated more than 1 year ago
ferlewicz maciej
Created by ferlewicz maciej over 6 years ago
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Resource summary

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