Uploaded on:
2009-02-14 02:36:34.0
Type:
Digital Asset
File Size:
258.17 KB
Dimensions:
1000 x 729 pixels
313 views 4 downloads
P number: P002043
Old photograph number: C00863
Caption: Near foot of Gleann Easan Biorach, Loch Ranza, north-west Arran, Buteshire. Granite/Dalradian contact.
Description: Near foot of Gleann Easan Biorach, Loch Ranza, north-west Arran, Buteshire. Granite/Dalradian contact. Feature formed by weathering along junction between the Northern Granite and the local Dalradian. The granite is on the right and has a more massive appearance. The Dalradian schists on the left, with sub-vertical fabric, have been hornfelsed by the granite. The contact has obviously been a zone of weakness which has weathered out. Arran is one of the series of Tertiary volcanic centres grouped along the west coast of Scotland and relates to a period of crustal extension between 55 and 61 million years ago. Similar aged lavas and intrusions in the Faeroes and East Greenland were all once part of the same Tertiary igneous province, before being separated by the opening of the Atlantic Ocean.
Date taken: Mon Jan 01 00:00:00 GMT 1900
Photographer: Lunn, R.
Copyright statement: Crown
Acknowledgment: This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network
X longitude/easting: 194500
Y latitude/northing: 649500
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Landscape
Size: 258.17 KB; 1000 x 729 pixels; 85 x 62 mm (print at 300 DPI); 265 x 193 mm (screen at 96 DPI);
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