Across
- 2. Minerals occur in large cracks called ________.
- 3. Combinations of homogeneous.
- 4. Mining done by family members in NE India,
- 9. India exports substantial quantities of __________ minerals.
- 11. Minerals are usually formed in __________.
- 12. Mining causes __________ diseases.
- 13. Ocean beds are rich in __________ nodules.
- 15. India bauxite deposits are mainly found in this plateau.
- 16. Iron ore is exported through this port.
- 17. Minerals may occur as _______ deposits in sands of valley floors and the base of hills.
- 21. Coal takes many ___________ years to form.
- 23. LImestone is the basic raw mineral for ________ industry.
- 24. Place where coal mining is done by family members.
- 25. This hill looks like the hump of an ox.
- 26. Are substances with definable internal structure.
- 29. Study minerals as a part of earth's crust.
- 30. The most popular coal in commercial use.
- 32. Ferrous minerals provide strong base for ____________ industries.
- 33. Themost abunduntantly available fossil fuel is _________.
- 36. The most important petroleum field in Gujurat.
- 38. This energy is used to generate electricity by the force of fast flowing water.
- 39. Solar, wind, water energy etc are _________ sources of enrgy.
- 40. The __________ coal deposits are 55million years old.
- 44. Petroleum refinery act as a _________ industry for numerous chemical industries.
- 45. Some minerals are formed by leaving residual mass of weathered material. ______ is the best example of this.
- 48. The major resources of _______ coal are located in damodar valley.
- 49. Firewood, coal, petroleum etc are ________ sources.
- 51. The important petroleum field in Assam.
- 52. Mineral contents in ore must be in sufficient concentration to make the ______ easy.
- 55. This ore has 50-60% iron.
- 56. Is a good conductor of electricity.
- 58. Bituminous is used for _____________ iron in blast furnace.
- 60. Minerals are formed from certain combination of ______.
Down
- 1. Few minerals, that are deposited near floors of valley and hills, are not corroded by water. what are these deposits called
- 5. Bauxite a clay-like substance produces ___________.
- 6. Nearly __kg of manganese is required to manufacture one tonne of steel.
- 7. Copper is used in electricl cables, electronis and ______ industries.
- 8. This peak is the highest in western ghats of Karnataka.
- 10. This state is the largest producer of manganes.
- 14. Most of the petroleum occurences in inida are assosciated with _________ and fault traps.
- 18. The low grade brown coal.
- 19. The _______ power plants are located near coalfields.
- 20. Manganese is used in manufacturing of __________.
- 22. Gypsum is formed as a result of what?
- 24. Limestone contains __________.
- 27. These rocks occur in beds or layers.
- 28. Are interested in the formation of minerals.
- 31. Sedimentary rocks are formed as a result of deposition in ________ strata.
- 34. In rajasthan the major mica producing area is around _________.
- 35. This state is the leading producer of mica.
- 37. Mica is used in this industry.
- 41. This is a mineral made up of series of plates and leaves.
- 42. Bauxite is formed due to the decomposition of aluminium __________.
- 43. The __________ mines in MP is a leading producer of copper.
- 46. This ore has 70% iron.
- 47. Which rock contains only one mineral.
- 50. highest quality coal.
- 53. This ore is the backbone of industrial development.
- 54. Lignite is used in ___________ in TN for electricity generation.
- 57. Gulf of kuchchh in gujurat provides ideal condition for utilizing _________ energy.
- 59. Minerals occur in small cracks called ________.