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