Title
Lewis Gneiss, the oldest rock formation in Britain
Caption
Lewis Gneiss, the oldest rock formation in Britain, 2,900,000,000 years old.
Date
20th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP17A12_265
License type
Rights managed
Available size
60,0Mb (2,8Mb) / 22,5in x 10,4in / 6741 x 3111 (300dpi)