| P number: | P521416 |
|---|---|
| Caption: | Rock specimen of marble. Quarry, 0.75 miles below Rivoan Inn, Glen Gairn, Banffshire, Scotland. |
| Description: | The sample is a pale greenish-white crystalline marble with a sugary texture, containing parallel lensoid bands of darker reddish-brown idocrase and garnet. Idocrase (also known as vesuvianite) is a mineral similar to garnet that is characteristic of contact metamorphosed limestones. British Geological Survey Petrology Collection sample number EMC1255. Marble is a metamorphosed limestone, produced by recrystallization under conditions of high temperature and pressure. Marbles are known for their attractive appearance, and are often prized as decorative stones. It is the impurities in the original limestone that gives a marble it's variable colour and texture. There are several occurrences of marble in Scotland. The best known is perhaps the Precambrian Iona Marble which has a pale greenish mottled appearance. The Durness Limestone (Cambrian-Ordovician age) also has a pale green colour when metamorphosed into marbles. Another well-known marble occurs in Skye. |
| Date taken: | Sun Dec 01 00:00:00 GMT 2002 |
| Photographer: | McTaggart, F.I. |
| Associate: | T.S. Bain |
| Copyright statement: | NERC |
| Additional information: | EMC1255 |
| Orientation: | Landscape |
| Size: | 214.39 KB; 1000 x 775 pixels; 85 x 66 mm (print at 300 DPI); 265 x 205 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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