Arran UNESCO Global Geopark

The oddity, explained

Why is Arran UNESCO Global Geopark unusual?

Arran UNESCO Global Geopark appears here because the approved source classifies it as natural world. The source describes it as Visit Hutton’s Unconformity, where James Hutton’s 1787 observations showed that the Earth was far older than previously believed—revealed in the striking meeting point between vertical schist and overlying layers of sandstone.Explore the Lochranza slate quarry, home to 540-million-year-old rocks once quarried for roofing, and spot crystals of pyrite—known as ‘fool’s gold’—among the discarded slate.Visit the Isle of Arran Heritage Museum, housed in former croft buildings at Rosaburn, where exhibi. Heritage Atlas treats that specific classification-and-description combination as the oddity; the score is a comparative discovery signal, not proof of mystery or the supernatural. Compare nearby records and the linked country or category collection to understand how this entry relates to places supported by the same governed evidence.

Evidence and further exploration

The coordinate, category and description remain tied to the cited source. Comparative oddness helps discovery; it does not add facts that the source does not provide.

Data last collected: 3 September 2026 for this retained atlas release. Page and source last rechecked: 3 September 2026. Treat the record as a research starting point: open the original source, confirm current access conditions and compare the mapped location with local guidance before travelling. A missing field means the approved source did not support it; it is not evidence that the feature or restriction does not exist.