The Formations of Fossils, Concretions and Geodes

Edit Answers
123456789101112
Across
  1. 4. lump in sedimentary rock,different composition
  2. 6. “The rocks with a crystal surprise inside”
  3. 8. fake fossil
  4. 10. minerals build up around a _____
  5. 11. open areas inside of a rock
  6. 12. organisms can leave an ____ on a rock
Down
  1. 1. groundwater deposits dissolved____inside cavities
  2. 2. remains of dead organisms preserved in rocks
  3. 3. concretions vary in _____
  4. 5. bones, feathers, shells have a___time dissolving
  5. 7. concretions are mistaken for _____ eggs
  6. 9. most fossils are preserved in_____rocks