Geology  The Science of the Earth
Geology studies the solid Earth  its materials, structures, processes and history. It explains why continents move, why earthquakes happen and how mountains are built.
Key Areas
- Mineralogy and petrology.
- Structural geology and tectonics.
- Stratigraphy and sedimentology.
- Geochemistry and geochronology.
- Economic geology  ores, fuels and groundwater.