Uploaded on:
2009-02-14 04:12:46.0
Type:
Digital Asset
File Size:
136.00 KB
Dimensions:
1001 x 776 pixels
352 views 4 downloads
P number: P002708
Old photograph number: D01182
Caption: Looking east towards Slioch from the A832, 2.8 km. east-south-east of Talladale, Ross & Cromarty. Torridonian sandstone of the upper part of the mountain rests with marked unconformity on the old gneiss land surface.
Description: Looking east towards Slioch from the A832, 2.8 km. east-south-east of Talladale, Ross & Cromarty. Torridonian sandstone of the upper part of the mountain rests with marked unconformity on the old gneiss land surface. In late Precambrian times (1000-750 Ma) the eroded land surface of the Lewisian gneiss was covered by a thick assemblage of terrestrial sedimentary rocks. They are commonly reddish or reddish-brown and laid down under fluviatile conditions with local accumulations of scree-breccia on or near the contacts with the Lewisian. It is thought that the Torridonian represents the last of several cycles of deposition and erosion since the Lewisian first became a land surface. The ancient landscape onto which the Torridonian was deposited was gently undulating however, locally, especially here at Slioch, the land surface had high relief with hills of gneiss rising up to 600 m. above the pre-Torridonian valley floors.
Date taken: Mon Jan 01 00:00:00 GMT 1968
Photographer: Christie, A.
Copyright statement: NERC
Acknowledgment: This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network
X longitude/easting: 194200
Y latitude/northing: 869700
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Landscape
Size: 136.00 KB; 1001 x 776 pixels; 85 x 66 mm (print at 300 DPI); 265 x 205 mm (screen at 96 DPI);
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