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geological 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
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geological formation

Summary

geological formation ranks in the top 2% of general entities by monthly Wikipedia readership (299 views/month).[1]

Key Facts

  • geological formation is a type of lithostratigraphic unit[2].
  • geological formation is part of subgroup[3].
  • geological formation's Commons category is recorded as Geologic formations[4].
  • geological formation's said to be the same as is recorded as formation[5].
  • geological formation comprises member[6].
  • geological formation's topic's main category is recorded as Category:Geologic formations[7].
  • geological formation's main subject is stratigraphy[8].
  • geological formation's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[9].
  • geological formation's different from is recorded as lithological assemblage[10].
  • geological formation's different from is recorded as rock formation[11].
  • geological formation's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[12].

Body

Definition and Type

geological formation is a type of lithostratigraphic unit[2].

Use and Application

geological formation comprises member[6]. It is part of subgroup[3].

Why It Matters

geological formation ranks in the top 2% of general entities by monthly Wikipedia readership (299 views/month).[1] It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[13] It is known by 41 alternative names across languages and contexts.[14]

Related Entities

stratigraphy

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). geological formation. Retrieved April 10, 2026, from https://4ort.xyz/entity/geological-formation
MLA “geological formation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/geological-formation.
BibTeX @misc{4ortxyz_geological-formation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{geological formation}}, year = {2026}, url = {https://4ort.xyz/entity/geological-formation}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): geological formation — https://4ort.xyz/entity/geological-formation (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · Twofivesixbot bot · 2026-05-20 view diff on Wikidata ↗
    Part of → —
    Said to be the same as → formation
    Has parts → —
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|5 */ [[Property:P2347]]: 37997, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.