BGS mineralogy and petrology collection record

Sample number S6711
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Basalt'
Stratigraphy Not entered
Comments Dyke carrying inclusions
Locality details 0.25 mile S by E of Suardal Farm
50k map sheet Glenelg (71)

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Map reference NG 623 205
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


S6711

Cross Polarized, S6711

Plane Polarized, S6711

Plane Polarized, S6711