BGS mineralogy and petrology collection record

Sample number S668; MR11154;
Sample Donor Not entered
Rock name Andesite. 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Porphyrite,igneous,Collected byAllen A1131
Locality details Quarry, corner of wood south of Old Graden, 1.75 miles west by north of Letholm, Roxburgh,
50k map sheet Berwick-upon-Tweed (26)

View images in GeoScenic related to 'Berwick-upon-Tweed'

View a geological map near 'Berwick-upon-Tweed'

Map reference NT 79 29
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S668

Cross Polarized, S668

Plane Polarized, S668

Plane Polarized, S668