Across
- 2. Organisms preserved in sedimentary rocks
- 4. A tool to measure motion of ground
- 6. Fe-rich red colored garnet
- 10. Khetri mines are famous for this mineral
- 12. The era often known as the Age of reptiles
- 14. Weathered rock and organic matter
- 16. Used to observe the interference figures
- 17. The national gemstone of Australia
- 18. Sky appears blue due to which type of scattering
Down
- 1. Used extensively in road and building construction
- 3. Mineral group including Andalusite and Kyanite
- 5. A metamorphic rock that can be used to make chalk boards
- 7. A large, fan-shaped pile of sediment usually formed where a stream emerges from a narrow canyon onto a flat plain
- 8. Oldest dated mineral on earth
- 9. A type of stereo net used for structural geology
- 11. Two or more minerals together
- 13. A type of igneous rock that is a volcanic glass and forms when lava cools quickly
- 15. Geological Age of coal found in north east India