| P number: | P527754 |
|---|---|
| Caption: | Brucite marble, Cill Chriosd Quarry, Torran, Skye, Invernessshire. |
| Description: | Brucite marble consists of a mixture of calcite and the magnesian mineral brucite. It is formed when dolomite is subjected to the natural calcining action of intrusive igneous rocks. British Geological Survey Petrology Collection sample number MC 7531. At high temperature the dolomite alters to calcite, periclase and carbon dioxide, however the periclase is unstable at normal temperatures and pressures and undergoes rapid hydration to form brucite. This specimen was formed by the thermal action of the Beinn an Dubhaich granite and the Cambrian Durness Limestone. |
| Date taken: | Sun Jun 25 00:00:00 GMT 1905 |
| Photographer: | Unknown |
| Copyright statement: | Unknown |
| Orientation: | Landscape |
| Size: | 219.91 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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