NS3778 : Cornstone outcrop

near to Renton, West Dunbartonshire, Great Britain

Cornstone outcrop
Cornstone outcrop
This outcrop is very similar in appearance to one that is to be found on Dumbarton Muir (NS4480 : Cornstone outcrop); in both cases, the grikes (water-worn fissures) are a prominent feature.

This is just one of several large outcrops that can be seen in this area along a line running from east to west (many smaller outcrops and individual boulders also occur on that line). At the western extremity, there is a former cornstone workings (NS3678 : Former cornstone workings on Carman Muir); see that item for a description of the nature of cornstone, and its use.

Like other cornstone outcrops in this area, it is host to a particular lime-loving species of spleenwort (a fern); see NS3778 : Maidenhair spleenwort (Asplenium trichomanes). Lichen species that I encountered here included Ochrolechia tartarea ( LinkExternal link ), which was growing here on mosses, rather than directly on the rock surface.

The background is largely obscured by haze, but the escarpment of the Kilpatrick Hills appears on the skyline, and the housing scheme that just barely visible at the foot of the hills is Bellsmyre.
Creative Commons Licence [Some Rights Reserved]   © Copyright Lairich Rig and licensed for reuse under this Creative Commons Licence.
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NS3778, 128 images   (more nearby )
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Image classification?
Supplemental image
Date Taken
Wednesday, 15 April, 2009   (more nearby)
Wednesday, 15 April, 2009
Geographical Context
Geological interest 
Rock outcrops   (more nearby)
Subject Location
OSGB36: geotagged! NS 3752 7838 [10m precision]
WGS84: 55:58.2504N 4:36.3039W
Photographer Location
OSGB36: geotagged! NS 3752 7838
View Direction
East-southeast (about 112 degrees)
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Other Tags
Cornstone  Limestone 

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