Outcrop-scale manifestations of reactivation during multiple superimposed rifting and basin inversion events: the Devonian Orcadian Basin, northern Scotland | Journal of the Geological Society The Devonian Orcadian Basin in Scotland hosts extensional fault systems assumed to be related to the initial formation of the basin, with only limited post-Devonian inversion and reactivation. However...

Regarding that #altar #stone at #Stonehenge and the scientific analysis: quite a few people, journalists, archaeologists and more, seem to be confusing the #OrcadianBasin with the islands known as #Orkney. This paper explains what the Orcadian Basin is:
www.lyellcollection.org/doi/full/10....
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A Scottish origin for Stonehenge's Altar Stone Geologists have found the provenance for Stonehenge's cen...

Och! It's Scottish! 😲😉

A new geochemical analysis of #Stonehenge 's central #AltarStone apparently suggests it's origin in the #OrcadianBasin in #Scotland - over 700 kilometres away.

https://www.nature.com/articles/d41586-024-02651-8 via @nature

A Scottish origin for Stonehenge's Altar Stone Geologists have found the provenance for Stonehenge's central Altar Stone, in the Orcadian Basin in Scotland Geologists have found the provenance for Stonehenge's central Altar Stone, in the Orcadian ...

Och! It's Scottish! 😲😉

A new geochemical analysis of #Stonehenge 's central #AltarStone apparently suggests it's origin in the #OrcadianBasin in #Scotland - over 700 kilometres away.

www.nature.com/articles/d41... 🏺