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Uploaded on:
11/06/2009 16:00:55
Digital Asset
File Size:
536.04 KB
978 x 1000 pixels
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P number: P229471
Old photograph number: MNS04857
Caption: The Bonawe Quarries, located on the north shore of Loch Etive, lying to the east of Connel Bridge, Argyll-shire.
Description: Close-up of part of the current quarry face within the Cruachan monzodioritic facies of the sub-volcanic (c. 3km emplacement depth) early Devonian (c. 400 million year old) Etive pluton. Here the monzodiorite is crowded with rafts and xenoliths of metasedimentary rocks of the Bonawe Succession, part of the Neoproterozoic age Dalradian Supergroup, that locally contain intrusions of weakly foliated contact metamorphically altered porphyritic microdiorite. The remains of a drill hole from the blasting process is seen in the mid-ground.
Date taken: 01/01/1987
Photographer: Unknown
Copyright statement: Unknown
X longitude/easting: 202300
Y latitude/northing: 733800
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Portrait
Size: 536.04 KB; 978 x 1000 pixels; 83 x 85 mm (print at 300 DPI); 259 x 265 mm (screen at 96 DPI);
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