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Uploaded on:
09/03/2009 06:51:40
Type:
Digital Asset
File Size:
236.95 KB
Dimensions:
1001 x 706 pixels
2812 views 4 downloads
P number: P208046
Old photograph number: A08124
Caption: Cligga Head Quarry, about 1 1/4 m. W. of Perranporth. Looking W.
Description: Cligga Head Quarry, about 1 1/4 m. W. of Perranporth. Looking W. Cligga Head: greisenized granite. Vein taken in a roadstone quarry, showing greisen bands (dark) in kaolinized granite. Each greisen band has a narrow quartz vein at the centre; farther south (see A8126 and A8127) the veins are wider and contain cassiterite and wolfram as well as quartz. (See also A84 to A90).
Date taken: 01/08/1945
Photographer: Rhodes, J.
Copyright statement: Crown
X longitude/easting: 174500
Y latitude/northing: 53500
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Landscape
Size: 236.95 KB; 1001 x 706 pixels; 85 x 60 mm (print at 300 DPI); 265 x 187 mm (screen at 96 DPI);
Average Rating: Not yet rated
Categories: Unsorted Images, Geoscience subjects/ Economic geology/ Roadstone, Geoscience subjects/ Rocks, igneous/ Granite  

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