BGS mineralogy and petrology collection record

Sample number S7247
Sample Donor Symes, Richard G
Rock name 'Original entry: Andesitic Tuff'
Stratigraphy Not entered
Comments See Memoir, p. 78
Locality details In railway cutting, 0.75 mile SW of Achnacloich
50k map sheet Oban (45)

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Map reference NM 9512 3333
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


S7247

Cross Polarized, S7247

Plane Polarized, S7247

Plane Polarized, S7247