BGS mineralogy and petrology collection record

Sample number S14317
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 Outer granite; Memoir, p. 349
Locality details 0.25 mile SE of Knock
50k map sheet Mull (44)

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Map reference NM 5454 3876
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


S14317

Cross Polarized, S14317

Plane Polarized, S14317

Plane Polarized, S14317