image BXO52.jpg
track, Sadgill to Gatescarth, Longsleddale, Westmorland, NY40 -- Rock, hand specimen of a quartz vein in volcanic tuff, from the track from Sadgill to Gatescarth Pass, Longsleddale, Westmorland, 2012.
Ordovician; Borrowdale volcanic group.
The quartz is probably associated with faulting.
(photo . .2012)