BGS mineralogy and petrology collection record

Sample number S14315
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Granophyre'
Stratigraphy Not entered
Comments Inner granite, a few feet from lava screen; Memoir, pp. 348-349
Locality details 0.25 mile SE of Knock
50k map sheet Mull (44)

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Map reference NM 5458 3874
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


S14315

Cross Polarized, S14315

Plane Polarized, S14315

Plane Polarized, S14315