Types of Rocks

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Across
  1. 2. metamorphic rock from sandstone
  2. 5. molten minerals on the Earth's surface
  3. 6. a rock made from plants buried in swamps
  4. 7. rock layers
  5. 8. a sedimentary rock
  6. 9. igneous rock without crystals
  7. 10. also called primary rocks
  8. 11. an extrusive igneous rock
Down
  1. 1. streaky and very hard rocks
  2. 3. an intrusive igneous rock
  3. 4. molten minerals found deep underground
  4. 7. contains fossils