Question:

Conglomerates are commonly deposited in

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Conglomerates form in high-energy environments like alluvial fans, where fast-moving water can transport and deposit large clasts.
Updated On: Dec 11, 2025
  • aeolian dunes
  • tidal flats
  • alluvial fans
  • river flood plains
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The Correct Option is C

Solution and Explanation

Step 1: Understanding the depositional environments of conglomerates.
Conglomerates are coarse-grained sedimentary rocks composed of rounded pebbles and boulders. These rocks are typically deposited in high-energy environments, such as alluvial fans, where fast-moving water transports and deposits large clasts.

Step 2: Analyzing the options.
(A) aeolian dunes: Aeolian dunes are formed by wind, and they typically deposit fine-grained sand, not conglomerates.
(B) tidal flats: Tidal flats are low-energy environments where fine sediments like mud and silt are deposited, not conglomerates.
(C) alluvial fans: This is the correct answer. Alluvial fans are high-energy depositional environments where conglomerates are commonly formed.
(D) river flood plains: While river flood plains can deposit coarse sediments, conglomerates are more commonly associated with alluvial fans.

Step 3: Conclusion.
The correct answer is (C) alluvial fans because these environments are typically where conglomerates are deposited.

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