+Stratigraphy is the scientific study of [rock layers](/wiki/rock-layer) (strata) and their arrangement in the Earth's crust. It helps unravel [Geologic Time](/wiki/geologic-time) by analyzing the sequence, composition, and distribution of these formations, revealing Earth's ancient past and environments.
+## See also
+- [Geology](/wiki/geology)
+- [Sedimentation](/wiki/sedimentation)
+- [Paleontology](/wiki/paleontology)
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