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Research dossier · General Reference

Portrane Limestone

Geologic formation in Ireland

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMay 30, 2025
Entity authorityQ17984816 ↗
Source-derived summary

The Portrane Limestone is a geologic formation in Ireland. It preserves fossils dating back to the Ordovician period.

See also

List of fossiliferous stratigraphic units in Ireland

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

Editorial summary

This brief starts where responsible research should: with the source description of “Portrane Limestone” as geologic formation in Ireland. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2021—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Portrane, Limestone and Geologic can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as geologic formation in Ireland. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated May 30, 2025. The linked authority identifier is Q17984816. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2021.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Portrane Limestone”, its source revision and the description used here.
  2. Expand the search: follow Portrane Limestone primary sources, Portrane Limestone archive and Portrane research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Portrane Limestone”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
Subject index

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Source & attribution

This entry incorporates text from “Portrane Limestone” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.