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Uploaded on:
13/02/2009 05:53:36
Type:
Digital Asset
File Size:
355.15 KB
Dimensions:
1000 x 782 pixels
2344 views 4 downloads
P number: P000204
Old photograph number: D04333
Caption: Pitscurry (Pitcaple) Quarry, west face, 1 km. east-north-east of Whiteford. Aberdeenshire. The rock quarried is norite, a type of gabbro. It is used as a hard-rock aggregate for road building or as a general purpose concreting aggregate.
Description: Pitscurry (Pitcaple) Quarry, west face, 1 km. east-north-east of Whiteford. Aberdeenshire. The rock quarried is norite, a type of gabbro. It is used as a hard-rock aggregate for road building or as a general purpose concreting aggregate. Gabbros of Insch Basic Mass (dark) intruded by 10 m. thick sill of tourmaline and beryl-bearing pegmatite (pale pink). Pegmatite body has both subhorizontal and vertical offshoots. Pegmatite is cut and displaced by shear zone dipping gently to right (extreme right of photo). A derelict crane is seen in the centre. Part of a panorama with D04332 and D04334. A sill is a sheet-like body of intrusive igneous rock. Pegmatites are very coarse-grained igneous rocks, the ultra-coarse grain is caused by slow crystallization from a volatile rich melt.
Date taken: 01/09/1989
Photographer: McTaggart, F.I.
Copyright statement: NERC
Acknowledgment: This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network
X longitude/easting: 372900
Y latitude/northing: 826720
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Landscape
Size: 355.15 KB; 1000 x 782 pixels; 85 x 66 mm (print at 300 DPI); 265 x 207 mm (screen at 96 DPI);
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