GK
INDIAN GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gondwana
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Dharwar
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Vindhya
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Tertiary
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Detailed explanation-1: -Which of the following type of rocks in India produces manganese? Notes: The Dharwar rocks in India produces manganese. It is mainly sedimentary in origin, and occur in narrow elongated synclines placed on the gneisses .
Detailed explanation-2: -Due to being initially examined in the Dharwad district of Karnataka, they are known as the Dharwar system. However, they may be found in the Aravallis, Tamil Nadu, Chotanagpur plateau, Meghalaya, Delhi, and the Himalayas. Iron ore, manganese, lead, zinc, gold, and silver are all abundant in the Dharwar rocks.
Detailed explanation-3: -Dharwar rocks are the oldest metamorphic rocks of India. It formed between 2.5 billion to 1.8 billion years ago. They are formed due to the metamorphosis of the sediments from Archean rocks. They are mainly found in Aravallis, Chotanagpur plateau, Meghalaya, and Tamil Nadu.