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प्रश्न
Explain the occurrence of petroleum in India.
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उत्तर
Occurence of Petroleum
1. Most of the petroleum occurrences in India are associated with anticlines and fault traps in the rock formations of the tertiary age.
2. In regions of folding, anticlines or domes, it occurs where oil is trapped in the crest of the up-fold.
3. The oil bearing layer is a porous limestone or sandstone through which oil may flow.
4. Petroleum is also found in fault traps between porous and non-porous rocks.
5. Gas, being lighter usually occurs above the oil.
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संबंधित प्रश्न
Name two industries that use a high quantity of coal.
Why is petroleum often referred to as “liquid gold”?
Give reason.
Petroleum is referred to as “black gold”.
Where does India stand in the production of coal?
Which state is the leading producer of the following minerals?
(i) Coal (ii) Oil (iii) Manganese.
Classify the coal fields in India. Name state for each classification.
Name an important coal producing State in India and a coal-mine located in that State.
Name three important states which form the tertiary coal distribution chain.
Name one important area that has large coal deposits in the states of Jharkhand and West Bengal.
Name two states where coal is mined in abundance.
