2022

NF6502 : Gneiss outcrop

taken 2 years ago, near to Baile na Creige, Barra, Na h-Eileanan an Iar, Scotland

Gneiss outcrop
Gneiss outcrop
A beautifully smoothed outcrop of the Lewisian Gneiss which displays characteristic, folded bands of varying colours. The entire island of Barra comprises outcrop of the Lewisian Gneiss, the oldest rock in the UK, and well up in the league table of oldest rocks exposed on Earth. Originating as granitic intrusions into basaltic crust during the first stirrings of plate tectonics and subjected to multiple phases of metamorphism during collisions between the youthful continental plates, once plastic features are now a frozen record of early Earth history. Fabulous!

Creative Commons Licence [Some Rights Reserved]   © Copyright Jonathan Wilkins and licensed for reuse under this Creative Commons Licence.
Geographical Context: Coastal Geological interest Rocks, Scree, Cliffs Primary Subject: Geological Feature
This photo is linked from: Automatic Clusters: · Outcrop of the Lewisian Gneiss [2] ·
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1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
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NF6502, 62 images   (more nearby 🔍)
Photographer
Jonathan Wilkins   (more nearby)
Date Taken
Wednesday, 11 May, 2022   (more nearby)
Submitted
Wednesday, 8 June, 2022
Subject Location
OSGB36: geotagged! NF 6547 0226 [10m precision]
WGS84: 56:59.3951N 7:30.6176W
Camera Location
OSGB36: geotagged! NF 6547 0226
View Direction
NORTH (about 0 degrees)
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Image Type (about): geograph 
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