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oil shale

organic-rich fine-grained sedimentary rock containing kerogen
Thing general Q221378
oil shale
Unknown authorUnknown author · Public Domain · Wikimedia
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Summary

oil shale ranks in the top 2% of general entities by monthly Wikipedia readership (2,529 views/month).[1]

Key Facts

  • Subclass of: sapropelite[2], fossil fuel[3], carbon schist[4], marl[5]
  • Commons category: Oil shale[6]
  • Topic's main category: Category:Oil shale[7]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[8], New International Encyclopedia[9], Armenian Soviet Encyclopedia, vol. 8[10]
  • Different from: shale[11]
  • Exact match: http://purl.obolibrary.org/obo/ENVO_02000119[12]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[13]

Why It Matters

oil shale has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[14] It is known by 67 alternative names across languages and contexts.[15]

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] ↑ . Environment Ontology. Retrieved . raw.githubusercontent.com. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). oil shale. Retrieved October 17, 2026, from https://4ort.xyz/entity/oil-shale
MLA “oil shale.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/oil-shale.
BibTeX @misc{4ortxyz_oil-shale_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{oil shale}}, year = {2026}, url = {https://4ort.xyz/entity/oil-shale}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): oil shale — https://4ort.xyz/entity/oil-shale (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/oil-shale · Last refreshed:

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. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → EyHrL
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 17w ago · JhealdBatch bot · 2026-06-16 view diff on Wikidata ↗
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/36807|batch #36807]]: tag for concrete/abstract disjunction anomaly"
  3. 17w ago · Jindřich Rubeš · 2026-06-14 view diff on Wikidata ↗
    Svkkl authority id → h0003581-olejove-bridlice
    "/* wbcreateclaim-create:1| */ Svkkl authority id: h0003581-olejove-bridlice, [[:toollabs:quickstatements/#/batch/259662|batch #259662]]"
  4. 21w ago · Twofivesixbot bot · 2026-05-18 view diff on Wikidata ↗
    Different from → shale
    Aliases → —
    Topic's main category → Category:Oil shale
    Local thumb → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|8 */ Yso id: 38182, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.