Tephrabase has found the 860 AD Layer part A Tephra at 3 sites.
More information about the sites (including tephra layers and geochemistry) displayed on the map above can be obtained by clicking on the symbols and then the site name which appears in the bubble. Use the zoom and drag controls to change your view. Use Ctr/Cmd and scroll real to zoom using a mouse or two finger scroll on a touch screen device. Alternative basemaps are available by clicking on the right-hand + symbol. You can also click on any site names in the list below for more information.
| Site Name | Profile | Area/Country | Latitude | Longitude | Grid Ref | Alt (m) | Geochemistry |
|---|---|---|---|---|---|---|---|
| Rough Tor South | BD | Cornwall, England | 50.5900°N | 4.6300°W | n/a | 290 | View data |
| Dead Island Bog | Dead Island Centre Core | County Londonderry, Northern Ireland | 54.8869°N | 6.5498°W | C931053 | 41 | View data |
| Sluggan Bog | Sluggan Monolith 8 | County Antrim, Northern Ireland | 54.7650°N | 6.2931°W | J 099921 | 50 | View data |
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This Tephrabase search was made on 5/7/2025 at 09:08:41 local time, Edinburgh, Scotland, UK.