BGS mineralogy and petrology collection record

Sample number S13907
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments W 10 deg S dyke; Memoir, p. 374
Locality details NW face of Beinn na Duathanach
50k map sheet Mull (44)

View images in GeoScenic related to 'Mull'

View the geology near 'Mull'

Map reference NM 5971 3689
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


S13907

Cross Polarized, S13907

Plane Polarized, S13907

Plane Polarized, S13907