Crossword Geology and Engineering Civil

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Across
  1. 6. Toxic,radioactive material,atomic number 92
  2. 7. Mineral grouping
  3. 9. Walk on the beach, it's quartz
  4. 10. outer space rock,surface of the Earth
  5. 11. dominant terrestrial vertebrates,Triassic
  6. 13. Trace of organism, millions of years ago
  7. 16. Movement between rock blocks
  8. 19. Made of sílice(SiO2), windows,fragile
  9. 20. Yellow color, metal, a lot of money
Down
  1. 1. Tree shaped texture
  2. 2. Excellent material for compression,pseudo-rock
  3. 3. Vegetable steel, wood
  4. 4. Positive relief, planet surface, concave shape
  5. 5. Planet with life, song Michael Jackson
  6. 8. Cutting Stones into Natural Shapes with Tool
  7. 12. Material, volume changes, floor, natural
  8. 14. high tensile strength, construction material
  9. 15. It's in the rivers
  10. 17. See novels and soccer
  11. 18. Relationship between stress and strain