BGS mineralogy and petrology collection record

Sample number S14777
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name Not entered
Stratigraphy Not entered
Comments NW dyke, 5 ft. in granite
Locality details 0.75 mile W 10 deg S from Beinn na Duatharach 1493 ft
50k map sheet Mull (44)

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Map reference NM 5925 3633
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


S14777

Cross Polarized, S14777

Plane Polarized, S14777

Plane Polarized, S14777