Revision history of "formation" (Q8271)

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4 May 2023

3 May 2023

  • curprev 17:1817:18, 3 May 2023 Fire talk contribs 657 bytes +657 Created a new Item: formation, body of rock identified by lithic characteristics and stratigraphic position; it is usually but not necessarily tabular and is mappable at the Earth's surface or traceable in the subsurface. Smaller than a subgroup