NY8129 : Outcrop of sugar limestone (close up)

taken 7 years ago, 4 km from Harwood, County Durham, Great Britain

Outcrop of sugar limestone (close up)
Outcrop of sugar limestone (close up)
Just off the path is NY8129 : An exposed outcrop of sugar limestone
The sugar limestone was created 295 million years ago when normal limestone rock was baked by molten magma being intruded horizontally into the limestone to form the dolerite of the Great Whin Sill. The sugar limestone ( a form of marble) weathers to form a coarse thin soil which supports the growth of several species of rare arctic-alpine plants. A small fenced area close to the track shows a range of the flower assemblage for visitors on the adjacent nature trail, and prevents grazing by sheep and rabbits NY8130 : Spring Gentians are vestiges remaining from the last ice age. The best examples of sugar limestone grassland were destroyed when Cow Green Reservoir was flooded in 1971 and large numbers of plants were transported to neighbouring Cronkley Fell and Widdybank Fell NY8428 : Spring Gentian (Gentiana verna), Cronkley Fell
LinkExternal link
Widdybank Fell Nature Trail :: NY8130
The walk starts at Cow Green car park and takes you over Widdybank Fell along the tarmac track to Cow Green dam and Cauldron Snout waterfall, returning the same way.
A copy of the walk leaflet can be obtained from:
Natural England - Moor House - Upper Teesdale NNR: LinkExternal link
There is also a geological trail leaflet here LinkExternal link
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NY8129, 62 images   (more nearby )
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Date Taken
Friday, 19 August, 2011   (more nearby)
Saturday, 20 August, 2011
Geographical Context
Geological interest  Uplands  Wild Animals, Plants and Mushrooms  Grassland 
Subject Location
OSGB36: geotagged! NY 8169 2961 [10m precision]
WGS84: 54:39.6744N 2:17.1215W
Camera Location
OSGB36: geotagged! NY 8169 2961
View Direction
EAST (about 90 degrees)
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Other Tags
Limestone Rock 

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