Types of Minerals & Extraction of Minerals | Minerals And Powers Resources |Class 8 Geography
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✅ In this video,
✔️ Class: 8th
✔️ Subject: Geography
✔️ Chapter: Minerals And Powers Resources
✔️ Topic Name: Types of Minerals & Extraction of Minerals
===============================================
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There are over three thousand different minerals. On the basis of composition, minerals are classified mainly as metallic and non-metallic minerals. Metallic minerals contain metal in raw form. Metals are hard substances that conduct heat and electricity and have a characteristic lustre or shine. Iron ore, bauxite, manganese ore are some examples. Metallic minerals may be fer rous or non-ferrous. Ferrous minerals like iron ore, manganese and chromites contain iron. A
non-ferrous mineral does not contain iron but may contain some other metal such as gold, silver, copper or lead. Non-metallic minerals do not contain metals. Limestone, mica and gypsum are examples of such minerals. The mineral fuels like coal and petroleum are also non-metallic minerals. Minerals can be extracted by mining, drilling or quarrying.
The process of taking out minerals from rocks buried under the earth’s surface is called mining. Minerals that lie at shallow depths are taken out by removing the surface layer; this is known as open-cast mining. Deep bores, called shafts, have to be made to reach mineral deposits that lie
at great depths. This is called shaft mining. Petroleum and natural gas occur far below the earth’s surface. Deep wells are bored to take them out, this is called drilling . Minerals that lie near the surface are simply dug out, by the process known as quarrying. .
Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."
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===============================================
✅ In this video,
✔️ Class: 8th
✔️ Subject: Geography
✔️ Chapter: Minerals And Powers Resources
✔️ Topic Name: Types of Minerals & Extraction of Minerals
===============================================
📢 🔥 Available (Kindergarten to 12th) all Video Subject wise Playlist https://www.pabbly.com/out/all-videos...
Why study from Magnet Brains?
Magnet Brains is an online education platform that helps give You NCERT/CBSE curriculum based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career.
👉 Contact us 🤑🤑
➡️ Connect with us : [email protected]
➡️ Website : https://www.magnetbrains.com
➡️ Subscribe to us on YouTube: @magnetbrainseducation
➡️ Subscribe to Magnet Brains Hindi Medium : @magnetbrainshindimedium
➡️ Facebook : Facebook: Magnet-Brains-Education-110955641184512
➡️ Instagram : Instagram: magnetbrains
➡️ Telegram : https://t.me/magnetbrainsbhopal
About Us:
Magnet Brains Software Technology Pvt. Ltd. has been developing WordPress themes, software & applications for the last 10 years and currently serves 80,000+ customers.
We now aspire to provide free education, helping individuals to understand topics, reach their goals and pursue their dreams.
Check out complete courses - https://www.magnetbrains.com/
Connect with us:
YouTube - @magnetbrainseducation
Facebook - Facebook: MagnetBrains
There are over three thousand different minerals. On the basis of composition, minerals are classified mainly as metallic and non-metallic minerals. Metallic minerals contain metal in raw form. Metals are hard substances that conduct heat and electricity and have a characteristic lustre or shine. Iron ore, bauxite, manganese ore are some examples. Metallic minerals may be fer rous or non-ferrous. Ferrous minerals like iron ore, manganese and chromites contain iron. A
non-ferrous mineral does not contain iron but may contain some other metal such as gold, silver, copper or lead. Non-metallic minerals do not contain metals. Limestone, mica and gypsum are examples of such minerals. The mineral fuels like coal and petroleum are also non-metallic minerals. Minerals can be extracted by mining, drilling or quarrying.
The process of taking out minerals from rocks buried under the earth’s surface is called mining. Minerals that lie at shallow depths are taken out by removing the surface layer; this is known as open-cast mining. Deep bores, called shafts, have to be made to reach mineral deposits that lie
at great depths. This is called shaft mining. Petroleum and natural gas occur far below the earth’s surface. Deep wells are bored to take them out, this is called drilling . Minerals that lie near the surface are simply dug out, by the process known as quarrying. .
Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."
5 سال پیش
در تاریخ 1398/04/11 منتشر شده
است.
353,669
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