BGS mineralogy and petrology collection record

Sample number S9289
Sample Donor Kynaston, Herbert
Rock name 'Original entry: Augite Diorite?'
Stratigraphy Not entered
Comments Marginal phase of S. 9290, with some alkali feldspar, quartz and sphene; S. 9289 - 9292 all from same mass
Locality details Below footbridge, Allt an Sithein, Glen Shira
50k map sheet Oban (45)

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Map reference NN 1620 1826
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


S9289

Cross Polarized, S9289

Plane Polarized, S9289

Plane Polarized, S9289