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Question

Difficulty: MediumState Economy, Agriculture, and Natural Resources

In the mineral economy of Rajasthan, which district houses the Jhamarkotra mines, representing India's largest known commercial deposit of rock phosphate used extensively in the fertilizer industry?

  1. Udaipur districtAnswer
  2. B
    Barmer district
  3. C
    Jhunjhunu district
  4. D
    Nagaur district

Answer

Udaipur district is the correct answer as it contains the Jhamarkotra deposit, India's largest commercial source of rock phosphate.
Udaipur district hosts the largest and richest commercial deposit of rock phosphate in India at Jhamarkotra. Managed by Rajasthan State Mines and Minerals Limited (RSMML), this deposit supplies essential raw materials to the domestic chemical and fertilizer industries.

Step-by-Step Solution

1
Identify the primary mineral resource in question and its industrial application.
The target resource is rock phosphate, a crucial raw material for manufacturing phosphatic fertilizers.
Establishing the industrial utility isolates the target mineral belt.
2
Map the Jhamarkotra deposit to its administrative district in Rajasthan.
Jhamarkotra is located approximately 26 km from Udaipur city in Udaipur district.
Rajasthan State Mines and Minerals Limited (RSMML) operates the Jhamarkotra open-cast mine in Udaipur.
3
Differentiate Udaipur from other prominent mining districts in the state.
Barmer produces crude oil/lignite, Jhunjhunu produces copper, and Nagaur produces marble/tungsten.
Verifying district-mineral pairings confirms the correct option.

Key Concept

Spatial distribution of non-metallic mineral resources and mining belts in State Economy
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Topics

State Economy, Agriculture, and Natural Resources

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