Question
Download Solution PDFWhich of the following is NOT a sedimentary rock?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Granite.
Key Points
- Granite is not a sedimentary rock; it is an igneous rock.
- Igneous rocks form from the cooling and solidification of magma or lava.
- Granite is typically composed of quartz, feldspar, and mica, and it's known for its coarse-grained structure.
Additional Information
- Sandstone:
- Sandstone is a classic sedimentary rock composed mainly of sand-sized minerals or rock grains.
- Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust.
- Loess:
- Loess is a sedimentary deposit composed largely of silt-sized particles that are loosely cemented by calcium carbonate.
- It is usually pale yellowish to buff in color and often known for being a fertile agricultural soil.
- Shale:
- Shale is a fine-grained sedimentary rock that forms from the compaction of silt and clay-size mineral particles.
- It is the most common sedimentary rock and is found in sedimentary basins worldwide.
Last updated on Jul 8, 2025
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