Gargunnock
This shot was taken from a Network Rail helicopter returning from Fort William after a visual Earthworks and Drainage survey of the West Highland Line. There had been very heavy rain in July so it was decided to do a quick check viz. 2 hours feeling airsick. Some other lines had been badly affected by torrential downpours and massive local flooding that year and the previous year.
The view is towards Stirling. In the foreground is descernible the alignment of the former Forth and Clyde Junction Railway running close to and at a tangent to the loops of the upper Forth.
To the right is the distinctive outline of the Gargunnock Hills. These are composed of volcanic rocks of Carboniferous age, around 340 million years old. The lavas were most likely erupted from fissures rather than shield volcanoes. These lavas are interspersed with layers of volcanic ash. A summary of the geology can be found here: http://www.snh.org.uk/publications/on-line/geology/loch_lomond_stirling/view.asp
Location: Gargunnock (former)
Original line: Forth and Clyde Junction Railway
Photographer: Charlie Niven
Contact photographer: Charlie Niven
Date: 09/08/2002
Image number: 60713
Other photographs of Gargunnock on RailScot
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