Question

What are the raw minerals used in cement industry and

iron and steel

Answer 1

The most common raw rock types used in cement production are:

Limestone (supplies the bulk of the lime)

Clay, marl or shale (supplies the bulk of the silica, alumina and ferric oxide)

The raw materials used to produce pig iron in a blast furnace are iron ore, coke, sinter, and limestone. Iron ores are mainly iron oxides and include magnetite, hematite, limonite, and many other rocks. The iron content of these ores ranges from 70% down to 20% or less.

Answer 2

Mineral based industries are primary industries that use mineral ores as their raw materials. ... Iron made from iron ore is the product of mineral based industry. This is used as raw material for the manufacture of a number of other products, such as heavy machinery, building materials and railway coaches.