| P number: | P527794 |
|---|---|
| Caption: | Limestone from Petershill Quarry, near Bathgate, West Lothian. |
| Description: | A coarse crystalline limestone from Petershill Quarry half a mile east of Bathgate. BGS Sample SL 53. British Geological Survey Petrology Collection sample number MC 7570. The quarry is in Carboniferous Petershill (Blackhall) Limestone. The thickness is 40 to 60 feet but only 15 to 20 feet are now exposed. The limestone dips west at 25 degrees to 35 degrees, and is overlain by 4 to 12 feet of boulder clay. The stone, in general, is a cream-coloured, shelly, somewhat siliceous limestone up to 66 feet thick. The full thickness is nowhere exposed. The quarry was formerly extensively worked as part of a series of quarries from Petershill northwards to Wester Tartraven farm. Because of its rather steep dip an overburden of rock as well as of drift overlies the limestone on the west side of the quarries. This overburden is probably least at Glenbare Quarry at the south end of the exposure. |
| Date taken: | Sun Jun 25 00:00:00 GMT 1905 |
| Photographer: | Unknown |
| Copyright statement: | Unknown |
| Orientation: | Landscape |
| Size: | 256.29 KB; 1000 x 665 pixels; 85 x 56 mm (print at 300 DPI); 265 x 176 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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