BGS mineralogy and petrology collection record

Sample number S14773
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 N 25 deg W dyke in lavas, 15 ft; Memoir, p. 374
Locality details Allt an Doire Bheithe, 0.25 mile S of old plantation
50k map sheet Mull (44)

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Map reference NM 5992 3793
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


S14773

Cross Polarized, S14773

Plane Polarized, S14773

Plane Polarized, S14773