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Metamorphic rocks, Natural Recources, Economic values - Coggle Diagram
Metamorphic rocks
Thermal
Metamorphism
Quartzite
Basic Characteristics:
Harder than parent rock
Non-porous Rock
Extremely resistant to erosion
Creation:
Sandstone came in contact with magma
Spaces in grains filled with silica
Parent Rock:
Sandstone
Periods of Folding
Fusing of quartz and silica grains
Regional
Metamorphism
Marble
Creation:
Coarse grained
Crystalline
Parent rock:
Limestone
Chalk
Impurities:
Serpentine
Iron Ioxide
Basic characteristics:
Limestone
Pressure And Heat
Most marble is regional
Colour:
Impurities
Red or Pink
Green
Pure marble:
White
Uses:
Building Materials
Sculptures
Natural Recources
substances that occur in nature
Have economic value
Include Mineral wealth found on or beneath the earths surface
Economic values
3 Broad categories
Construction materials
Sand and Gravel
Gypsum (plasterboard)
Crushed rock
Granite, Limestone, Marble
Metallic resources
Precious metals
Gold
Silver
Base metals
Copper
Lead
Ferrous metals
Iron
Energy resources
Geothermal Energy
Fossil fuels
Natural gas
Coal
Oil
Nuclear energy
Uranium
