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Uploaded on:
10/06/2009 10:19:54
Digital Asset
File Size:
534.95 KB
998 x 1000 pixels
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P number: P229470
Old photograph number: MNS04856
Caption: The Bonawe Quarries, located on the north shore of Loch Etive, lying to the east of Connel Bridge, Argyll-shire.
Description: View north of 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. Both included material and the host mozodiorite are cross cut by porphyrite and microdiorite dykes associated with later stage facies of the pluton.
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: 534.95 KB; 998 x 1000 pixels; 84 x 85 mm (print at 300 DPI); 264 x 265 mm (screen at 96 DPI);
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