| P number: | P002491 |
|---|---|
| Old photograph number: | C03502 |
| Caption: | Rubers Law, from Spital, c. 9 km. south-west of Jedburgh, Roxburgh. Looking south. Volcanic neck plugged with basalt. |
| Description: | Rubers Law, from Spital, c. 9 km. south-west of Jedburgh, Roxburgh. Looking south. Volcanic neck plugged with basalt. Rubers Law is a typical feature of the igneous rocks in this part of the Borders where isolated volcanic necks form higher ground standing above the surrounding sedimentary rocks and lavas. It consists of a group of roughly circular plugs of Jedburgh-type basalt intruded into Carboniferous red sandstones and siltstones during Lower Carboniferous times. Jedburgh-type basalt is a variety of lava or intrusion with small phenocrysts of labradorite feldspar and a few small olivines. Augite (a pyroxene) is restricted to the groundmass. |
| Date taken: | Wed Aug 01 00:00:00 BST 1934 |
| Photographer: | Fisher, W.D. |
| Copyright statement: | Crown |
| Acknowledgment: | This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network |
| X longitude/easting: | 358500 |
| Y latitude/northing: | 619500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 166.05 KB; 1000 x 756 pixels; 85 x 64 mm (print at 300 DPI); 265 x 200 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ General views/ Igneous rock country |
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