BGS mineralogy and petrology collection record

Sample number S14745
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 Needle Rock Mass (Tom Sleibhe)
Locality details 0.625 mile a little N of W from Tomsleibhe
50k map sheet Mull (44)

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Map reference NM 6053 3738
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


S14745

Cross Polarized, S14745

Plane Polarized, S14745

Plane Polarized, S14745