Cretaceous–Paleogene boundary

geological signature, usually a thin band of rock, marking the transition from the end of the Cretaceous Period and the beginning of the Paleogene Period, dated with radiometric methods, at the age of 66.043 ± 0.011 Ma
Thing geological_structure Q682871
Cretaceous–Paleogene boundary
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Cretaceous–Paleogene boundary

Summary

Cretaceous–Paleogene boundary is a geological structure[1]. It draws 467 Wikipedia views per month (geological_structure category, ranking #2 of 14).[2]

Key Facts

  • Cretaceous–Paleogene boundary is located in Yucatán[3].
  • Cretaceous–Paleogene boundary is located in El Kef[4].
  • Cretaceous–Paleogene boundary's image is recorded as LWA with Walt.JPG[5].
  • Cretaceous–Paleogene boundary's image is recorded as Thin white line = KT (now K-Pg) boundary (5090097984).jpg[6].
  • Cretaceous–Paleogene boundary's instance of is recorded as geological structure[7].
  • Cretaceous–Paleogene boundary's Commons category is recorded as Cretaceous–Paleogene boundary[8].
  • Cretaceous–Paleogene boundary's Freebase ID is recorded as /m/02x0_dp[9].
  • Cretaceous–Paleogene boundary's topic's main category is recorded as Category:Cretaceous–Paleogene boundary[10].
  • Cretaceous–Paleogene boundary's facet of is recorded as Cretaceous-Paleogene mass extinction[11].
  • Cretaceous–Paleogene boundary's Encyclopædia Britannica Online ID is recorded as science/K-T-boundary[12].
  • Cretaceous–Paleogene boundary's topic has template is recorded as Template:KT boundary[13].
  • Cretaceous–Paleogene boundary's BBC Things ID is recorded as 3dc7295a-b849-44dd-a7fb-667f639c4d6f[14].
  • Cretaceous–Paleogene boundary's different from is recorded as Cretaceous-Paleogene mass extinction[15].
  • Cretaceous–Paleogene boundary's Microsoft Academic ID is recorded as 2779015071[16].
  • Cretaceous–Paleogene boundary's Encyclopedia of China is recorded as 145230[17].
  • Cretaceous–Paleogene boundary's A Dictionary of Biology ID is recorded as 5915[18].

Why It Matters

Cretaceous–Paleogene boundary draws 467 Wikipedia views per month (geological_structure category, ranking #2 of 14).[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[19] It is known by 22 alternative names across languages and contexts.[20]

References

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

Direct Wikidata claims

  1. [5] . wikidata.org.
  2. [6] . wikidata.org.
  3. [7] . wikidata.org.
  4. [3] . wikidata.org.
  5. [4] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Freebase Data Dumps. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . BBC Things. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . 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). Cretaceous–Paleogene boundary. Retrieved May 3, 2026, from https://4ort.xyz/entity/cretaceous-paleogene-boundary
MLA “Cretaceous–Paleogene boundary.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cretaceous-paleogene-boundary.
BibTeX @misc{4ortxyz_cretaceous-paleogene-boundary_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cretaceous–Paleogene boundary}}, year = {2026}, url = {https://4ort.xyz/entity/cretaceous-paleogene-boundary}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cretaceous–Paleogene boundary — https://4ort.xyz/entity/cretaceous-paleogene-boundary (retrieved 2026-05-03)

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