SK1171 : Carboniferous Volcanics

near to Blackwell, Derbyshire, Great Britain

Carboniferous Volcanics
Carboniferous Volcanics
The site is a olivine-dolerite sill, with columnar jointing (Giant's Causeway style) along with a rare volcanic vent (right). Volcanic breccias are also in the quarry.

The volcanism was due to Carboniferous rifting events, producing mafic eruptions. What gets geologists excited about this place (which is a SSSI) are the olivine xenoliths brought up from the mantle, possibly unique in Britain.

The site was quarried for roadstone before being filled with landfill.
Volcanics of the Peak District
A collection of images relating to Carboniferous volcanics
Creative Commons Licence [Some Rights Reserved]   © Copyright Ashley Dace and licensed for reuse under this Creative Commons Licence.
year taken
2012
1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
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SK1171, 25 images   (more nearby)
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Image classification?
Geograph
Date Taken
Saturday, 17 March, 2012   (more nearby)
Submitted
Sunday, 18 March, 2012
Geographical Context
Geological interest 
Subject Location
OSGB36: geotagged! SK 11 71 [1000m precision]
WGS84: 53:14.4243N 1:49.7487W
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