•Important ferro alloy mineral used in making steel.
•In south Asia, primarily produced in India, while Pakistan also produces some manganese
•Largest producer of manganese in South Asia
•Like other minerals, is also produced in peninsular India with Orissa, Madhya Pradesh, Bihar, Karnataka, Maharashtra, Andhra Pradesh, Rajasthan, West Bengal
•Indian manganese is of high quality and is in great demand
•More than 2/3rd of the country’s manganse reserves and deposits are found in the Nagpur and Bhandara belt of Maharashtra and Balaghat, Chhindwara belt of Madhya Pradesh.
•Largest producer – Orissa – about 40%-mined in districts of Sundergarh, Kalahandi, Koraput, Keonjhar, Bolangir and Mayurbhanj
•Karnataka – 2nd largest – 30% prodn- North Canara, Bijapur, Chickmanglur, Bellary, Shimoga, Chitradurga, Tumkur districts
•Gujarath – Panch Mahal, Vadodara dist
•Rajasthan – Banswara district
•Andhra Pradesh – Kurnool, Vishakhapatnam, Kurnool, Srikakulam dist
•Bihar – Singbhum dist
•Exports to Japan, USA, west European countries.
•Small quantities are mined from Lal Bila region in southern Baluchistan.
Q. What is the importance of manganese? Name four laregest producer of it.
Ans. Manganese is an important raw material for smelting of iron ore and also used for manufacturing ferro alloys such as steel. Manganese deposits are found in Dharwar system. Orissa is the leading producer of Manganese. Karnataka, Maharashtra and Madhya Pradesh are other 3 states.
Q. What are the uses of Manganese?
Ans. Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy. Nearly 10 kg of manganese is required to manufacture one tonne of steel. It is also used in manufacturing bleaching powder, insecticides and paints.
•Is a non-metallic mineral which is largely produced in India
•Prodn – abouat 10,500 tonnes in 94-95
•Bihar, Andhra Pradesh, Rajasthan – produce most of mica in India
•Bihar- 61% production in 1994, in a belt (160 km long) extending over Gaya, Hazari Bagh, Mungher districts
•Andhra Pradesh – mined in Nellore district
•Rajasthan – Ajmer, Bhilwara, Jaipur, Udaipur, Alwar, Mewar, Tonk districts
•Also found in Maharashtra, Karnataka, Kerala, Tamil Nadu
•Sri Lanka – produces some mica, the production in 1987 being about 203 tonnes
Q. Why Mica is considered the most important mineral in electric and electronic industries?
Ans. Due to its excellent di-electric strength, low power loss factor, insulating properties and resistance to high voltage, mica is one of the most indispensable minerals used in electric and electronic industries.
•South Asia – deficient in copper and it is mainly produced in India.
•Singbhum district of Bihar – leading producer
•Santhal, Pargana, , Palamau, Hazaribagh and Gaya districts have some copper deposits
•Andhra – Gunturu, Khammam, Kurnool districts
•Madhya Pradesh – Balaghat district
•Rajasthan – Khetri & Singhana belt in Jhunjhunun, Khodariba belt in Alwar, Delwar, Keroveli belt in Udaipur districts
•Karnataka – Hassan , Chitradurga districts
•Maharashtra, Sikkim, Gujarath, U.P.
•In Pakistan some copper is found in Chhagai area of Baluchistan.
Q. What are the uses of Copper?
Ans. India is critically deficient in the reserve and production of copper. Being malleable, ductile and a good conductor, copper is mainly used in electrical cables, electronics and chemical industries.
Ans. Copper is very low reserves and production of copper.
a. Madhya Pradesh is the largest producer of copper in India. The Balaghat mines in Madhya Pradesh produce 52 per cent of India’s copper.
b. Rajasthan is the second largest producer of copper. The Khetri mines in Rajasthan are famous.
c. Jharkhand, the Singbhum district of it is also has large reserves of copper.
•Bauxite ore provides aluminium.
•India – largest producer in South Asia
•Is self sufficient in aluminium production
•Orissa, Bihar, Madhya Pradesh, Tamil Nadu, Gujarat, Maharashtra, Karnataka- leading producing states
•Orissa – largest producer in India- 40%- Palahandi and Sambalpur districts
•Bihar – Palamanu districts, Ranchi
•Madhya Pradesh – Bilaspur, Balaghat, Jabalpur, Shahdol, Durg, Mundala districts
•Tamil Nadu – Nilgiri, Salem, Madurai districts
•PAKISTAN – Hazara and Sibi in Baluchistan
•SRI LANKA – has small deposits of bauxite ore, which is exported to many European countries and to Japan.
Q. What are the uses of Aluminium?
Ans. Aluminium is an important metal because it combines the strength of metals such as iron, with extreme lightness and also with good conductivity and great malleability. It is used in electrical industries, aircraft manufacturing industries, utensils making, etc.
MANGANESE
1.a. Name two states in India where manganese is found. State one use of manganese.
Orissa, , Madhya Pradesh,. Andhra Pradesh
Manganse is used in making ferro-manganese alloy and in the manufacture of bleaching powder.
b. Why is Manganese considered to be an important mineral for industrial purposes? (2)
Manganese is used in production of steel. It makes steel strong, removes impurities and makes it immune to rusting.
c. A mineral X is used for making iron and steel. It increases the strength of steel. Identify the mineral.
Which country of South Asia is the leading producer of that mineral?
Mineral X is manganese. India is the leading producer of manganese.
d. Where is Manganese found in South Asia?
In South Asia, manganese is found in India and Pakistan.
e. Manganese is which type of mineral and where we can find it?
Manganese is ferro alloy mineral, used in making steel.
In South Asia, India is a primarily producer of manganese. Pakistan also produces some manganese. In India we can find manganese in Orissa, Madhya Pradesh, Bihar, Karnataka, Maharashtra, Andhra Pradesh, Rajasthan and West Bengal. Orissa produces largest manganese (40%) and Karnataka produces 30% manganese.
MICA
2.a. State the leading producer of mica in South Asia. (2)
India – Rajasthan and Andhra Pradesh in India.
b. Mica is which kind of mineral and where can we find it?
Mica is non-metallic mineral.
India is the largest producer of mica in South Asia. In India, Rajasthan, Andhra Pradesh , Bihar produces most of mica. Sri Lanka also produces some mica.
COPPER
3.a. What is the position of India in copper production?
India is the leading producer of copper in South Asia. In India, Bihar, Andhra Pradesh, Madhya Pradesh, Rajasthan, Karnataka, Maharashtra, Sikkim, Gujarat and Uttar Pradesh produce copper. Pakistan also produces some copper.
BAUXITE
4a. Which country in South Asia is the largest producer of bauxite? Why is bauxite considered an important mineral?
India is the largest producer of Bauxite. Bauxite is considered an important mineral as
· The mineral bauxite has various used in refining kerosene, abrasives and cement.
· it is light and is rust-resistant material
· It is good conductor of electricity.
· used in air crafts
· used in automobiles and aluminium industry
· alluminium has a variety of applications from domestic to industrial.
b. Name some bauxite producing states.
Orissa, Bihar, Madhya Pradesh, Tamil Nadu, Gujarat, Maharashtra, Karnataka
c. In Pakistan, at which place we find out bauxite?
At Hazara, and Sibi in Baluchistan we found bauxite
Distribution of important minerals:
Bauxite:
a. Bauxite is the ore which is used in manufacturing of aluminium.
b. Bauxite is found mainly in peninsular India and also in the coastal tracts of the country.
c. Orissa is the largest producer of Bauxite. Jharkhand, Gujarat, Chhattisgarh, Madhya Pradesh and Maharashtra are other major producers.
Copper :
a. Copper is an indispensable metal in the electrical industry for making wires, electric motors, transformers and generators.
b. It is alloyable, malleable and ductile. It is also mixed with gold to provide strength to jewellery.
c. The Copper deposits mainly occur in Jharkhand, Madhya Pradesh and Rajasthan.
Mica
a. Mica is mainly used in the electrical and electronic industries.
b. It can be split into very thin sheets which are tough and flexible.
c. Mica in India is produced in Jharkhand, Andhra Pradesh and Rajasthan followed by Tamil Nadu, West Bengal and Madhya Pradesh.
3 comments:
ROSHNI
IT IS VERY USEFUL IN OUR STUDIES.
VIDEOS ARA AMAZING.
lesson on minerals is very interesting. maps also helped to get the brief idea of mineral mines. it also helped me to revise the lessons.
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