Basalt Dyke in Silurian Shales, Glasdrummond Co. Down
Basalt Dyke in Silurian Shales, Glasdrummond Co. Down - a view of a dark outcrop of the dyke on the lighter coloured rocks at the seashore. (Location: Northern Ireland; County Down; Glasdrummond)
Picture No
11057466
Media ID
48563554
Size
4000px x 2879px
(2.8MB)
Credit
© National Museums Northern Ireland / Mary Evans
Source
Photograph, digitised from a glass plate negative from the W. A. Green Collection'
Date
circa early 1900s
