BGS mineralogy and petrology collection record

Sample number S13858
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; Memoir, p. 348
Locality details Allt nam Leothdean
50k map sheet Mull (44)

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Map reference NM 5883 4121
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


S13858

Cross Polarized, S13858

Plane Polarized, S13858

Plane Polarized, S13858