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Q59
(UPPCS/2024)
Geography › Indian Physical Geography
Which one of the following pairs (Deccan Trap - Peculiarity) is not correctly matched ?
Explanation
The Deccan Traps are a large igneous province in west-central India, traditionally divided into three stratigraphic units based on their thickness and location:
- Upper Traps: Approximately 450 metres thick, found in Maharashtra and Saurashtra. They contain numerous ash beds and fossiliferous intertrappean beds.
- Middle Traps: Approximately 1200 metres thick, found in Central India and Malwa. This is the thickest part of the series.
- Lower Traps: Approximately 150 metres thick, found in Madhya Pradesh and Berar.
Intertrappean beds are sedimentary layers deposited during periods of volcanic quiescence. These beds are primarily freshwater (lacustrine) or terrestrial in nature, containing fossils of freshwater mollusks (such as Physa prinsepii), plants, and land animals. They are not characterized by "sea plants and animals" (marine fossils), which are only found in rare coastal fringes. Therefore, option B is the incorrectly matched pair.
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