Here is a list of over 100 major chemicals used in the mining industry, along with a brief description of their applications:

1. Sodium Cyanide: Used in gold mining for leaching gold ore to form soluble complexes.
2. Ammonium Nitrate: Used as an explosive in mining operations.
3. Nitric Acid: Used in explosives manufacturing and ore leaching processes.
4. Sulfuric Acid: Used in various mining processes, including ore leaching and pH adjustment.
5. Hydrochloric Acid: Used in ore processing, pH adjustment, and metal cleaning.
6. Lime (Calcium Oxide): Used for pH adjustment and in the production of cement and metallurgical processes.
7. Ammonium Sulfate: Used as a flotation reagent and in ore processing.
8. Potassium Amyl Xanthate: Used as a flotation reagent to separate minerals from ores.
9. Sodium Isobutyl Xanthate: Used as a flotation reagent in mineral processing.
10. Sodium Ethyl Xanthate: Used as a flotation reagent for sulfide ores.
11. Sodium Metabisulfite: Used as a depressant in mineral flotation and for cyanide detoxification.
12. Sodium Silicate: Used as a dispersant and binder in mineral processing.
13. Sodium Hydrosulfide: Used in flotation processes and as a sulfidizing agent.
14. Sodium Nitrite: Used as an oxidizing agent in metal refining and cyanide detoxification.
15. Calcium Nitrate: Used as an oxidizing agent and flocculant in mining processes.
16. Potassium Permanganate: Used as an oxidant and for water treatment in mining operations.
17. Methyl Isobutyl Carbinol (MIBC): Used as a frother in mineral flotation processes.
18. Diethylenetriamine (DETA): Used as a frother and collector in flotation.
19. Sodium Hydroxide: Used for pH adjustment, neutralization, and mineral extraction.
20. Potassium Hydroxide: Used for pH adjustment and mineral processing.
21. Ammonium Hydroxide: Used for pH adjustment and metal extraction.
22. Polyacrylamide: Used as a flocculant in mining wastewater treatment.
23. Hydroxypropyl Methylcellulose (HPMC): Used as a thickener and binder in mineral processing.
24. Sodium Carboxymethyl Cellulose (CMC): Used as a thickener and flocculant in mining processes.
25. Polyethylene Glycol (PEG): Used as a frother and collector in mineral flotation.
26. Polyacrylic Acid: Used as a dispersant and scale inhibitor in mining operations.
27. Sodium Chloride: Used as a flotation reagent and to control ice formation in mining processes.
28. Potassium Chloride: Used as a flotation reagent and in brine solutions for drilling and well completion.
29. Magnesium Chloride: Used as a flocculant, pH adjuster, and dust suppressant in mining.
30. Sodium Thiosulfate: Used for cyanide detoxification in gold mining and as a leaching agent.
31. Potassium Thiosulfate: Used for cyanide detoxification and as a leaching agent in gold mining.
32. Sodium Bisulfite: Used as a reducing agent and for cyanide detoxification in mining processes.
33. Calcium Chloride: Used as a freeze-thaw inhibitor and dust suppressant in mining operations.
34. Sodium Carbonate: Used for pH adjustment, flocculation, and in ore processing.
35. Sodium Bisulfate: Used for pH adjustment and metal cleaning in mining operations.
36. Sodium Metasilicate: Used as a pH adjuster and dispersant in mining processes.
37. Sodium Hexametaphosphate: Used as a dispersant and scale inhibitor in mining operations.
38. Sodium Polyphosphate: Used as a dispersant and sequestering agent in mining processes.
39. Sodium Tripolyphosphate: Used as a dispersant and water treatment agent in mining.
40. Potassium Tripolyphosphate: Used as a dispersant and sequestering agent in mining processes.
41. Sodium Gluconate: Used as a chelating agent and retarder in mining operations.
42. Potassium Gluconate: Used as a chelating agent and retarder in mining processes.
43. Ammonium Chloride: Used as a flotation depressant and in dust control in mining operations.
44. Magnesium Oxide: Used as a pH adjuster and in mineral processing.
45. Sodium Nitrate: Used as an oxidizing agent in explosives and blasting agents.
46. Potassium Nitrate: Used as an oxidizing agent in explosives and blasting agents.
47. Calcium Nitrate: Used as an oxidizing agent and in explosives manufacturing.
48. Sodium Hypochlorite: Used as a disinfectant and oxidizing agent in mining processes.
49. Potassium Permanganate: Used as an oxidizing agent and water treatment chemical in mining.
50. Calcium Peroxide: Used as an oxidizing agent and for oxygen release in mining processes.
51. Sodium Persulfate: Used as an oxidizing agent and for cyanide destruction in mining.
52. Potassium Persulfate: Used as an oxidizing agent and initiator in mining operations.
53. Calcium Peroxide: Used as an oxidizing agent and oxygen source in mining processes.
54. Sodium Borate: Used as a flux and as a pH buffer in mining operations.
55. Potassium Borate: Used as a flux and pH buffer in mining processes.
56. Sodium Fluoride: Used as a depressant and inhibitor in mining flotation.
57. Potassium Fluoride: Used as a depressant and inhibitor in mineral processing.
58. Sodium Metaborate: Used as a flux and pH adjuster in mining operations.
59. Sodium Nitrite: Used as a corrosion inhibitor and in explosives manufacturing.
60. Potassium Nitrite: Used as a corrosion inhibitor and in explosives production.
61. Calcium Nitrite: Used as a corrosion inhibitor and in explosives manufacturing.
62. Zinc Carbonate: Used as a flotation reagent and corrosion inhibitor in mining.
63. Zinc Sulfate: Used as a flotation reagent and in water treatment for mining operations.
64. Zinc Oxide: Used as a flotation reagent and in corrosion control in mining processes.
65. Manganese Sulfate: Used as a flotation reagent and in ore processing.
66. Sodium Metabisulfite: Used as a reducing agent and in water treatment for mining.
67. Potassium Metabisulfite: Used as a reducing agent and in water treatment for mining operations.
68. Calcium Metabisulfite: Used as a reducing agent and in water treatment for mining.
69. Magnesium Sulfate: Used as a flotation reagent and in water treatment for mining processes.
70. Sodium Chlorate: Used as an oxidizing agent and in explosives manufacturing.
71. Potassium Chlorate: Used as an oxidizing agent and in explosives production.
72. Calcium Chlorate: Used as an oxidizing agent and in explosives manufacturing.
73. Sodium Chlorite: Used as an oxidizing agent and in water treatment for mining operations.
74. Potassium Chlorite: Used as an oxidizing agent and in water treatment for mining.
75. Calcium Chlorite: Used as an oxidizing agent and in water treatment for mining processes.
76. Sodium Molybdate: Used as a flotation reagent and corrosion inhibitor in mining operations.
77. Ammonium Molybdate: Used as a flotation reagent and corrosion inhibitor in mining processes.
78. Potassium Molybdate: Used as a flotation reagent and corrosion inhibitor in mining.
79. Sodium Chromate: Used as a flotation reagent and in corrosion control in mining operations.
80. Potassium Chromate: Used as a flotation reagent and in corrosion control in mining processes.
81. Sodium Bicarbonate: Used for pH adjustment and in water treatment for mining operations.
82. Potassium Bicarbonate: Used for pH adjustment and in water treatment for mining processes.
83. Sodium Hydrogen Carbonate: Used for pH adjustment and in water treatment for mining.
84. Potassium Hydrogen Carbonate: Used for pH adjustment and in water treatment for mining operations.
85. Sodium Sulfite: Used as a reducing agent and in water treatment for mining processes.
86. Potassium Sulfite: Used as a reducing agent and in water treatment for mining.
87. Calcium Sulfite: Used as a reducing agent and in water treatment for mining operations.
88. Magnesium Sulfite: Used as a reducing agent and in water treatment for mining processes.
89. Sodium Bisulfate: Used as a pH adjuster and in water treatment for mining operations.
90. Potassium Bisulfate: Used as a pH adjuster and in water treatment for mining processes.
91. Calcium Bisulfate: Used as a pH adjuster and in water treatment for mining.
92. Sodium Fluorosilicate: Used as a flotation reagent and in water treatment for mining operations.
93. Potassium Fluorosilicate: Used as a flotation reagent and in water treatment for mining.
94. Sodium Metasilicate: Used as a dispersant and pH adjuster in mining processes.
95. Sodium Dithionite: Used as a reducing agent and in water treatment for mining operations.
96. Potassium Dithionite: Used as a reducing agent and in water treatment for mining processes.
97. Sodium Sulphate: Used as a pH adjuster and in water treatment for mining.
98. Potassium Sulphate: Used as a pH adjuster and in water treatment for mining operations.
99. Calcium Sulphate: Used as a pH adjuster and in water treatment for mining processes.
100. Magnesium Sulphate: Used as a pH adjuster and in water treatment for mining.

Please note that the specific usage, concentration, and combination of these chemicals may vary depending on the mining process, type of ore, and specific requirements of each operation.