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Uploaded on:
2009-02-13 09:08:29.0
Type:
Digital Asset
File Size:
287.36 KB
Dimensions:
992 x 1000 pixels
609 views 4 downloads
P number: P000908
Old photograph number: D02564
Caption: Oblique aerial view of Sgurr of Eigg, looking north.
Description: The pitchstone forms a prominent steep-sided ridge from Bidean Boidheach south-east to the Sgurr seen in the photograph. It is thought to fill an ancient westward-draining river valley eroded into the underlying basalt lavas. The pitchstone has a black, vitreous to dark matt-grey appearance on fresh surfaces but weathers to a pale grey rock. Flow banding is common and columnar jointing is ubiquitous reaching one metre is diameter in the lower parts of the pitchstone mass. Sgurr of Eigg is a body of pitchstone which overlies Tertiary basaltic lavas, the latter can be seen in the foreground. Two other Tertiary igneous centres can be seen in the background; Rum and Skye.
Date taken: Sat Jan 01 00:00:00 GMT 1977
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: 145500
Y latitude/northing: 784500
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Portrait
Size: 287.36 KB; 992 x 1000 pixels; 84 x 85 mm (print at 300 DPI); 262 x 265 mm (screen at 96 DPI);
Average Rating: Not yet rated
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