xenolith Archives - Geology North https://www.geologynorth.uk/tag/xenolith/ No vestige of a beginning, - no prospect of an end Sat, 27 Jun 2020 14:50:06 +0000 en-GB hourly 1 https://wordpress.org/?v=6.1.1 https://www.geologynorth.uk/wp-content/uploads/2022/03/Icon-53x53.jpeg xenolith Archives - Geology North https://www.geologynorth.uk/tag/xenolith/ 32 32 Rigg Cairn, High Cantle to High Bleakhope https://www.geologynorth.uk/rigg-cairn-high-cantle-to-high-bleakhope/ Mon, 03 Nov 2014 16:26:03 +0000 http://www.geologynorth.uk/?p=16884 We find a coarse-grained granitic rock at NT 94016 16737. This is pinker with fewer large white plagioclase phenocrysts than the rocks of Hedgehope Hill and Great Standrop but it has a similar grain size. Most of the terrain is trackless peat bog lacking any exposure of bedrock.Descending towards High Bleakhope, the pink medium-grained rock … Continue reading Rigg Cairn, High Cantle to High Bleakhope →

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]]> We find a coarse-grained granitic rock at NT 94016 16737. This is pinker with fewer large white plagioclase phenocrysts than the rocks of Hedgehope Hill and Great Standrop but it has a similar grain size. Most of the terrain is trackless peat bog lacking any exposure of bedrock.
Descending towards High Bleakhope, the pink medium-grained rock outcrops at NT 92469 16365. The outcrops around NT 92643 16262 are all of high colour index and correspond with the dioritic ‘marginal’ variety found on Dunmoor Hill and at Linhope Spout.
In places there are xenoliths of what appear to be hornfelsed andesite.

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