BGS mineralogy and petrology collection record

Sample number S14746
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Augite Diorite'
Stratigraphy Not entered
Comments Needle Rock Mass (Tom Sleibhe); Memoir, p. 219
Locality details 1 mile W of Tomsleibhe
50k map sheet Mull (44)

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Map reference NM 6021 3716
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


S14746

Cross Polarized, S14746

Plane Polarized, S14746

Plane Polarized, S14746