Explanation by: Mr. Dubey
Sedimentary rocks are formed by the deposition and compaction of sediments over time. A key characteristic feature of these rocks is:
- Stratification – the arrangement of sediments in layers or strata. These layers often differ in color, composition, or grain size and are clearly visible in many sedimentary formations.
Why other options are incorrect:
- (B) Crystalline nature – Typical of igneous and metamorphic rocks, not sedimentary.
- (C) Coarse texture – Not a defining feature; sedimentary rocks can be fine-grained (like shale) or coarse (like conglomerate), depending on the sediment.
- (D) Previos nature – Possibly a typo or incorrect term (may be referring to “porous” nature, which can be true for some sedimentary rocks, but not all).
So, the most accurate and defining characteristic is (A) Stratification.
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