NU2518 : Arched strata, Swine Den

taken 4 months ago, near to Howick, Northumberland, Great Britain

Arched strata, Swine Den
Arched strata, Swine Den
Geology becomes much more complex than it seems at Swine Den. Here, the strata of the Four Fathom Limestone (Carboniferous, Brigantian) are beautifully folded into an excellent, circular arch. In the background, at the same topographic level, is exposed the jointed microgabbro of the Great Whin Sill. This implies that there is a fault between the outcrops to account for the vertical mismatch, or a step between the beds which host the intrusion. Another, less welcome feature is the peppering of the limestone strata by core-sampling holes. The code of conduct for rock coring includes the following guidance: holes should be unobtrusive, few in number and plugged where possible. Not applicable here, sadly.
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NU2518, 93 images   (more nearby )
Photographer
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Date Taken
Thursday, 23 May, 2019   (more nearby)
Submitted
Monday, 12 August, 2019
Geographical Context
Coastal  Geological interest  Rocks, Scree, Cliffs 
Primary Subject of Photo
Geological Feature 
Subject Location
OSGB36: geotagged! NU 2593 1857 [10m precision]
WGS84: 55:27.6177N 1:35.4901W
Camera Location
OSGB36: geotagged! NU 2593 1857
View Direction
NORTH (about 0 degrees)
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Image Type (about): geograph 
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