variety the one uses of Rocks and Minerals
Answers
It is widely used as crushed stone for concrete aggregate, road metal, railroad ballast, etc. Smaller quantities are cut and polished for dimension stone (called black granite). BASALT: An igneous volcanic rock, dark gray to black, it is the volcanic equivalent of plutonic gabbro and is rich in ferromagnesian minerals.
Answer:Rocks and minerals are all around us!
Explanation: They help us to develop new technologies and are used in our everyday lives. Our use of rocks and minerals includes as building material, cosmetics, cars, roads, and appliances. In order maintain a healthy lifestyle and strengthen the body, humans need to consume minerals daily.
Rocks are very useful to us because :
like minerals, rocks are of great resource value, some directly and some as constituents of minerals.
◆ Soils are derived from weathering of rocks.
◆ Almost all types of building materials used for paving roads, floors or building walls of houses or various other structures including bridges come from rocks.
◆ Rocks are a source of precious metals like gold, silver, platinum, etc.
◆ Apart from minerals and fossil fuels, even rock wastes have now been used in manufacturing various articles
Explanation: