BGS mineralogy and petrology collection record

Sample number S9570
Sample Donor Harker, Alfred
Rock name 'Original entry: Trachyte'
Stratigraphy Not entered
Comments Sp. Gr. 2.55; Dyke
Locality details 0.17 mile N of trig pt Ben Suardal
50k map sheet Glenelg (71)

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Map reference NG 631 210
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


S9570

Cross Polarized, S9570

Plane Polarized, S9570

Plane Polarized, S9570