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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
Which is the most abundantly available fossil fuel in India? Assess the importance of its different forms.
Highlight the importance of petroleum
Which of the different varieties of coal is used for domestic purposes and why?
Why is petroleum often referred to as “liquid gold”?
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Give geographical reasons for the following:
Anthracite is used for domestic purposes.
Name any two important petroleum drilling centres for each of these states:
(i) Gujarat (ii) Assam
Name the following:
Oldest coal mine
Name two industries that use a high quantity of coal.
