| P number: | P552560 |
|---|---|
| Caption: | Lismore Limestone. Quarry just north of Port Ramsay. Argyll. |
| Description: | A dark grey, rudely flaggy limestone with a set of rectangular narrow calcite veins normal to the flag. Composed essentially of elongated grains of calcite darkened with dust, possibly graphitic, and containing subordinate alkali-feldspar and quartz. The calcite is of varying grain-size reaching 0.5 mm in length and is elongated parallel to the flagginess. A subordinate proportion of the calcite shows biaxiality. Apatite and tourmaline are accessory. Pyrite is common in euhedral crystals reaching 2 mm across. Limestone, fine-grained, granoschistose. SL0088. Britrocks S34483(b). Magnification x40. Light PPL. |
| Date taken: | Wed Jan 21 00:00:00 GMT 2004 |
| Photographer: | Sutherland, A. |
| Copyright statement: | NERC |
| Additional information: | Description from: Limestones of Scotland: chemical analyses and petrography. Edinburgh : HMSO, 1956. Boiled 20 minutes CO(NO3)2. |
| Orientation: | Landscape |
| Size: | 410.08 KB; 1000 x 750 pixels; 85 x 64 mm (print at 300 DPI); 265 x 198 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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