Geography - rock types and national park mind map

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  • Rocks, Resources & Scenery
    • National Parks
      • NPA: managing the land, undertaking conservation work, planting woodland, repairing footpaths, setting up facilities eg information centres for visitors
      • National Park: Area of beautiful and relatively wild countryside
  • Sedimentary Rocks
    • Rocks, Resources & Scenery
      • National Parks
        • NPA: managing the land, undertaking conservation work, planting woodland, repairing footpaths, setting up facilities eg information centres for visitors
        • National Park: Area of beautiful and relatively wild countryside
    • Limestone: Made of Calcium Carbonate (from remains of animals). When animals die their shells accumulate on the sea floor, building up in layers of limestone rock which is why it contains lots of fossils
      • Sediments are small particles of rock transported by water, ice and wind. Once collected on the sea floor they accumulate over the years and are compressed, the rocks are laid down in beds with lines of weakness or bedding planes between layers.
    • Sandstone: Very granula, it is created when sand is compressed
  • Sandstone: Very granula, it is created when sand is compressed
  • Chalk: Very soft and marks your hand, it consists of calcium carbonate which comes from the remains of animals and plants
    • Sedimentary Rocks
      • Limestone: Made of Calcium Carbonate (from remains of animals). When animals die their shells accumulate on the sea floor, building up in layers of limestone rock which is why it contains lots of fossils
        • Sediments are small particles of rock transported by water, ice and wind. Once collected on the sea floor they accumulate over the years and are compressed, the rocks are laid down in beds with lines of weakness or bedding planes between layers.
  • Igneous rocks are formed by fire, they begin as magma in the interior of the Earth. Some are formed by lava cooling rapidly after being thrown out by a volcanic eruption (extrusive igneous rock)
  • Metamorphic Rocks
    • Marble: Pale white (do come in colours) also has sparkly crystals. They are used in fireplaces and flooring. Heat and pressure can turn Limestone into Marble
    • Slate: Has thin layers and is mainly used for roofing. Heat and pressure can turn Clay into Slate.
  • Basalt: No crystals. Basalt is created when basic lava flows from constructive margins where a shield volcano was formed and cools down quickly, this is why basalt doesn't contain any crystals
  • Marble: Pale white (do come in colours) also has sparkly crystals. They are used in fireplaces and flooring. Heat and pressure can turn Limestone into Marble
  • Slate: Has thin layers and is mainly used for roofing. Heat and pressure can turn Clay into Slate.
  • Granite Porphyry: Contains pink crystal (feldspar) and lots of other coloured crystals.
  • Metamorphic rocks have been changed in shape. They begin as igneous or sedimentrary rocks but are altered by heat/pressure which can happen along destructive PB's or fault lines.
    • Metamorphic Rocks
    • Igneous Rocks
      • Igneous rocks are formed by fire, they begin as magma in the interior of the Earth. Some are formed by lava cooling rapidly after being thrown out by a volcanic eruption (extrusive igneous rock)
      • Granite Porphyry: Contains pink crystal (feldspar) and lots of other coloured crystals.
      • Basalt: No crystals. Basalt is created when basic lava flows from constructive margins where a shield volcano was formed and cools down quickly, this is why basalt doesn't contain any crystals
    • Granite: Contains enlarged crystals (quartz - colourless crystals). If magma cools underground slowly after been intruding into other rocks without reaching the grounds surface then Granite is formed
      • Igneous Rocks

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