BGS mineralogy and petrology collection record

Sample number S14358
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 Probably Needle Rock
Locality details In stream 980 yds W 25 deg N of summit of Beinn Talaidh, 1000 ft contour
50k map sheet Mull (44)

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Map reference NM 6174 3507
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


S14358

Cross Polarized, S14358

Plane Polarized, S14358

Plane Polarized, S14358