Tag Archive for 'Illite'

The Altar Stone lies flat on the ground, sunk into the grass beneath the collapsed upright of the Great Trilithon and its lintel. Image credit: Nick Pearce, Aberystwyth University.

Stonehenge’s Altar Stone Still Has No Home, Geologists Say

Nov 5, 2026 by Enrico de Lazaro

A new analysis by University of South Wales Professor Duncan Pirrie and his colleagues undercuts the leading theory that the 6-ton slab of sandstone came...