NM3019 : Detail of granite at Knockvologan

taken 7 years ago, near to Fidden, Argyll And Bute, Great Britain

Detail of granite at Knockvologan
Detail of granite at Knockvologan
Granite at Knockvologan beach - this alkali-granite, approximately 414 million years old, is composed of potassium-rich orthoclase feldspar, and smaller amounts of plagioclase feldspar, together with quartz and biotite mica. At Knockvologan, the granite contains a darker material called tonalite, an igneous rock which was formed at the same time as the granite.
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NM3019, 23 images   (more nearby )
Photographer
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Date Taken
Tuesday, 9 August, 2011   (more nearby)
Submitted
Wednesday, 17 August, 2011
Geographical Context
Coastal  Geological interest  Islands 
Subject Location
OSGB36: geotagged! NM 309 190 [100m precision]
WGS84: 56:17.2354N 6:20.9764W
Camera Location
OSGB36: geotagged! NM 308 190
View Direction
EAST (about 90 degrees)
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