Video – ‘Why Rocks?’
Today’s Orkney International Science Festival talk by Dr Martha Johnson, highlighting the Ness of Brodgar rocks that don’t fit the local geology and showing clues to their origins.
Sunday, September 5, 2021
Today’s Orkney International Science Festival talk by Dr Martha Johnson, highlighting the Ness of Brodgar rocks that don’t fit the local geology and showing clues to their origins.