P number: | P553026 |
---|---|
Caption: | Altered limestone. Old marble quarry, 1.5 miles north-west of Broadford church and 1 mile west of the Sligachan road. Skye (Inverness). |
Description: | A white, grey-mottled, altered limestone of aphanitic aspect. In thin section composed of interlocking grains of calcite, about 0.5 mm across, which enclose or interlock with aggregates of brucite. These aggregates are equidimensional and often show the sharp crystal edges of the mineral they pseudomorph (periclase). Forsterite is also present in small grains altered more or less to serpentine. Some grains of rutile and octahedra of periclase are present. Limestone with brucite, medium-grained, granoblastic. SL0245. Britrocks S35345. 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. |
Orientation: | Landscape |
Size: | 259.92 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 |
Reviews
There is currently no feedback