Mineral that are near to theearth surface are duged out by
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mining and drilling.
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Minerals: A naturally occurring substance which has a definite chemical composition is called mineral. Minerals can be identified on the basis of their physical properties and chemical properties.
Minerals: A naturally occurring substance which has a definite chemical composition is called mineral. Minerals can be identified on the basis of their physical properties and chemical properties.Ore: A rock from which a particular mineral can be profitably extracted is called ore. Out of more than 28,000 types of minerals known till date, only about 100 are considered are ores.
Mining: The process of taking out minerals buried under the rocks is called mining. There are two main methods of mining, viz. open-cast mining and shaft mining.
Mining: The process of taking out minerals buried under the rocks is called mining. There are two main methods of mining, viz. open-cast mining and shaft mining.Open Cast Mining: When minerals are taken out by removing the surface layer, the process is called open-cast mining. Minerals which lie at shallow depths are extracted by this process.
Mining: The process of taking out minerals buried under the rocks is called mining. There are two main methods of mining, viz. open-cast mining and shaft mining.Open Cast Mining: When minerals are taken out by removing the surface layer, the process is called open-cast mining. Minerals which lie at shallow depths are extracted by this process.Shaft Mining: When deep bores (called shafts) are made to reach the mineral deposits at great depth, the process is called shaft mining.
Mining: The process of taking out minerals buried under the rocks is called mining. There are two main methods of mining, viz. open-cast mining and shaft mining.Open Cast Mining: When minerals are taken out by removing the surface layer, the process is called open-cast mining. Minerals which lie at shallow depths are extracted by this process.Shaft Mining: When deep bores (called shafts) are made to reach the mineral deposits at great depth, the process is called shaft mining.Drilling: When deep wells are bored to take out the mineral, the process is called drilling. Petroleum and natural gas are extracted by this method.
Mining: The process of taking out minerals buried under the rocks is called mining. There are two main methods of mining, viz. open-cast mining and shaft mining.Open Cast Mining: When minerals are taken out by removing the surface layer, the process is called open-cast mining. Minerals which lie at shallow depths are extracted by this process.Shaft Mining: When deep bores (called shafts) are made to reach the mineral deposits at great depth, the process is called shaft mining.Drilling: When deep wells are bored to take out the mineral, the process is called drilling. Petroleum and natural gas are extracted by this method.Quarrying: When minerals are simply dug out from near the surface, the process is called quarrying.
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