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rocks

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examples of rock

examples of rock

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  • 1. Sugar Loaf Mountain Brazil intrusive igneous rock that eventually reached the surface when overlying rocks were weathered away
  • 2. Granite tors in Dartmoor, England
  • 3. Layered igneous rock somehow the darker shade minerals are separated
  • 4. Microscopic view of a section of gabbro
  • 5. Sedimentary rock Limestone
  • 6. Sedimentary rocks - conglomerate & breccia Why are the rock fragments more rounded on the left rock (conglomerate)?
  • 7. Ease Gill (Limestone) Caves, England stalactites stalagmites
  • 8. Pamukkale Falls, Turkey The terraces are formed from the precipitation of calcite from hot springs in limestone areas
  • 9. Microscopic view of schist (metamorphic rock) Can you tell the difference between the earlier one shown (of igneous rock)?
  • 10. Gneiss (granite underwent pressure) Can you see the wavy bands ?
  • 11. Gemstones (crystals because mineral cooled after being heated by magma) Blue sapphire Pink sapphire Colourless sapphire Yellow sapphire Clear sapphire Mauve sapphire Sec 1/GEO/RP/RGS/SW/2004/rocks