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Across 6. Name of felsic plutonic rock 7. Oxygen poor conditions 8. Foreign object in a batholith 9. Final processing product at Cadia 11. Restoration after mining 16. Host rock at Cadia 18. Process of change through time of an organism 19. Levels in an open pit mine 21. Area where putrescible rubbish is dumped 22. Structure to reduce the effect of wind 24. Armour plated fish 26. Type of fossil fuel 28. Intermediate volcanic rock 29. Age of fishes period 30. Mafic volcanic rock 34. Underground mine at Cadia 35. Type of volcano at Orange 36. Added to help grind rock

Down 1. Mineral commonly found in Granite 2. Used to separate ore minerals from waste minerals 3. Eon dominated by single celled organisms 4. Little channels which can lead to gullying 5. Name of limb on Canowindra Grossi 10. Name applied to green energy 12. Liquid released after treatment 13. Large body of plutonic rock 14. Rock used to make cement 15. Name of the fold belt west of the Blue Mountains 17. Household waste which is collected for re processing 20. First step in processing ore at Cadia 23. Preserved remains of once living organism 25. Material underground which erupts in a volcano 27. A valuable commodity 31. Fossilised tree sap 32. Waste product from Cadia processing 33. Gas collected during sewage traetment