image BIZ34.jpg
track, Sadgill to Gatescarth, Longsleddale, Westmorland, NY40 -- Andesite with amygdales and white feldspar crystals, loose specimen from the track from Sadgill to Gatescarth Pass, Longsleddale, Westmorland, 18 July 2004, Borrowdale Volcanic Group, Ordovician period.