The correct answer is: a) Processing of Mineral Sands.
Kerala Minerals and Metals Ltd. (KMML) is a state-owned company involved in the processing of mineral sands. It is located in the state of Kerala, India. The company was established in 1964 and is headquartered in Thiruvananthapuram. KMML is the largest producer of mineral sands in India. The company’s products are used in a variety of industries, including the construction, glass, and ceramics industries.
Mineral sands are a type of non-metallic mineral that is found in sand and gravel deposits. They are composed of a variety of minerals, including quartz, feldspar, and mica. Mineral sands are used in a variety of industries, including the construction, glass, and ceramics industries.
The processing of mineral sands involves a number of steps, including:
- Crushing: The mineral sands are crushed into smaller pieces.
- Screening: The crushed mineral sands are screened to remove any large pieces.
- Flotation: The mineral sands are floated in a water solution to separate them from each other.
- Washing: The mineral sands are washed to remove any impurities.
- Drying: The mineral sands are dried to remove any moisture.
The processing of mineral sands can be a complex and expensive process. However, it is necessary to produce high-quality mineral sands that can be used in a variety of industries.
The other options are incorrect because they are not the primary activities of KMML.
- Gold mining is the process of extracting gold from the earth. It is a complex and expensive process that requires a lot of specialized equipment and expertise.
- Granite quarrying is the process of extracting granite from the earth. It is a relatively simple process that can be done with a variety of equipment.
- Oil drilling is the process of extracting oil from the earth. It is a complex and expensive process that requires a lot of specialized equipment and expertise.