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    Which of the following are common sedimentary rocks?
    Question

    Which of the following are common sedimentary rocks?

    A.

    Limestone, bauxite and Non-foliated rocks

    B.

    Non-foliated rocks, granite and shale

    C.

    Sandstone, limestone, and shale

    D.

    Sandstone, bauxite and foliated rocks

    Correct option is C

    The correct answer is (c) Sandstone, limestone, and shale.

    • Sandstone: A clastic sedimentary rock composed mainly of sand-sized mineral particles or rock fragments. It forms from the compaction and cementation of sand particles.
    • Limestone: A chemical sedimentary rock primarily composed of calcium carbonate (CaCO3), typically formed in clear, warm, shallow marine waters. It is often composed of the skeletal fragments of marine organisms.
    • Shale: A clastic sedimentary rock formed from the compaction of silt and clay-sized mineral particles. It has a fine-grained texture and is known for its ability to split into thin layers.

    Information Booster:

    Limestone, bauxite and Non-foliated rocks:

    • Bauxite is an ore of aluminum and is not a sedimentary rock.
    • Non-foliated rocks refer to a type of metamorphic rock, not sedimentary.

    Non-foliated rocks, granite and shale:

    • Non-foliated rocks are metamorphic.

    Sandstone, bauxite and foliated rocks:

    •  Bauxite is an ore, not a sedimentary rock.
    •  Foliated rocks are metamorphic, characterized by layered or banded appearances, not sedimentary.

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