Igneous Rocks

Description

Science Mind Map on Igneous Rocks, created by Chellezey! xx on 24/11/2013.
Chellezey! xx
Mind Map by Chellezey! xx, updated more than 1 year ago
Chellezey! xx
Created by Chellezey! xx over 10 years ago
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Resource summary

Igneous Rocks
  1. Rocks formed from cooling magma
    1. Rocks formed by magma reaching the surface called EXTRUSIVE
      1. Small crystals ~ rapid cooling
      2. Rocks formed from cooling magma underground are called INTRUSIVE
        1. Large Crystals - Slow cooling magma
      3. CHARACTERISTICS:
        1. hard
          1. Strong
            1. Interlocking Crystals
            2. Dark colored rocks have high mineral content
              1. Crystals are solids that have a variety of shapes
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