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P000707

P number: P000707
Old photograph number: D02018
Caption: Oblique aerial view of the island of Ailsa Craig. Looking east.
Description: The resistance of the microgranite to erosion compared to the response to the soft Permo-Trias sandstones into which it was intruded was of crucial importance during the phase of glacial erosion. The principal direction of the ice during the last glaciation was south. This is indicated by the slight broadening of the island from north to south, albeit that this outline has been considerably modified by later marine action. The precipitous cliffs are primarily the results of marine erosion but the initiation of a strongly positive topographic feature associated with the microgranite intrusion probably occurred during glaciation.
Date taken: Thu Jan 01 00:00:00 GMT 1976
Photographer: Christie, A.
Copyright statement: NERC
Acknowledgment: This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network
X longitude/easting: 202500
Y latitude/northing: 600500
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Square
Size: 247.77KB; 1000 x 1000 pixels; 85 x 85 mm (print at 300 DPI); 265 x 265 mm (screen at 96 DPI);
Average Rating: Not yet rated
Categories: Best of BGS Images/ Landscapes  

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