🇬🇧 United Kingdom · Megalith
Swinside Stone Circle (Sunkenkirk)
Late Neolithic · Late Neolithic Cumbria (Langdale axe trade area)
55-stone porphyritic circle (28.6 m) above Duddon estuary — best preserved in North-West England.
Search places, or jump to a section
Tagsporphyry
2 places carry this tag, across every kind and continent it appears in.
🇪🇬 Egypt · Archaeological wonder
Roman Imperial (18 CE–4th c. CE; peak Hadrianic 130–200 CE) · Roman
Mons Porphyrites (Jabal Abu Duhhan) is the world's only imperial porphyry source, 950 m Red Sea mountain, producing purple leucocratic andesine porphyry monolithic columns and sarcophagus of…
🇬🇧 United Kingdom · Megalith
Late Neolithic · Late Neolithic Cumbria (Langdale axe trade area)
55-stone porphyritic circle (28.6 m) above Duddon estuary — best preserved in North-West England.