2013: Hadrians Wall on the Highshield Crags, which are a very scenic outcrop of Carboniferous doleri
2013: Hadrians Wall on the Highshield Crags, which are a very scenic outcrop of Carboniferous dolerite known as the Whin Sill. -- source link
Tumblr Blog : geologicaltravels.tumblr.com
#united kingdom#northumberland#chollerford#geology