Uploaded on:
17/03/2009 04:03:21
Type:
Digital Asset
File Size:
173.69 KB
Dimensions:
1000 x 665 pixels
105 views 4 downloads
P number: P527871
Caption: Limestone from Glenbuchat, Aberdeenshire.
Description: A limestone from the most southerly quarry, east of the road, three miles north-west of Kirkton of Glenbuchat, Aberdeenshire. The sample is dark grey with patches of black biotite. The limestones vary from medium-grained grey type to a fine, hard, somewhat less pure type. BGS Sample GS 3. British Geological Survey Petrology Collection sample number MC 7647. The limestone beds are vertical and strike north 20 degrees west. The total width is 60 feet. The limestone is Dalradian Supergroup (Precambrian) in age. In thin section it shows recrystallized calcite crystals up to 1.0 mm across and shows complex lamellar twinning.
Date taken: 25/06/1905
Photographer: Unknown
Copyright statement: Unknown
Orientation: Landscape
Size: 173.69 KB; 1000 x 665 pixels; 85 x 56 mm (print at 300 DPI); 265 x 176 mm (screen at 96 DPI);
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