Greenstone, Ontario
town in the Canadian province of Ontario, amalgamated from Beardmore, Nakina, Geraldton and Longlac
Greenstone is a single-tier municipality in the Canadian province of Ontario with a population of 4,309 according to the 2021 Canadian census. It stretches along Highway 11 from Lake Nipigon to Longlac and covers 2,767.19 km2 (1,068.42 sq mi).
The town was formed on 1 January 2001, as part of municipal re-organization under the Progressive Conservative government of Ontario. It combined the former Townships of Beardmore and Nakina, the Towns of Geraldton and Longlac with large unincorporated portions of Unorganized Thunder Bay District.
It is the administrative office of the band government for the Animbiigoo Zaagi'igan Anishinaabek First Nation.
Geography
Communities
Greenstone includes the communities of:
Beardmore
Caramat
Geraldton
Jellicoe
Longlac
Macdiarmid
Nakina
Orient Bay
The municipal administrative offices are located in Geraldton. Nakina and Caramat are entirely exclaved from the rest of the municipality's territory.
Climate
Greenstone experiences a humid continental climate (Köppen climate classification Dfb), with cold winters and warm summers. The highest temperature ever recorded in the area was 40.0 °C (104.0 °F) on 11 and 12 July 1936 at Longlac. The coldest temperature ever recorded was −50.2 °C (−58.4 °F) on 31 January 1996 (at Geraldton Airport).
The public source identifies “Greenstone, Ontario” as town in the Canadian province of Ontario, amalgamated from Beardmore, Nakina, Geraldton and Longlac. This brief keeps that definition visible, then builds a research path around Greenstone, Ontario and town.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Greenstone, Ontario”, the useful work is to connect “town in the Canadian province of Ontario, amalgamated from Beardmore, Nakina, Geraldton and Longlac” to the records capable of establishing context and consequence.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Aug 11, 2026. The linked authority identifier is Q3492487. Authority coordinates are 49.761, -87.286. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2021, 2001, 1936 and 1996.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Greenstone, Ontario”, its source revision and the description used here.
- Expand the search: follow Greenstone, Ontario primary sources, Greenstone, Ontario archive and Greenstone research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Greenstone, Ontario”?
- What physical evidence or contemporary plan supports the description?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “Greenstone, Ontario” 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.