BGS mineralogy and petrology collection record

Sample number S6734
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Basalt'
Stratigraphy Not entered
Comments Upper sill corresponding to S. 6732; Tert Ig Rocks Skye, p. 222
Locality details Sill above granophyre, Creag Bhriste
50k map sheet Glenelg (71)

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Map reference NG 659 204
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


S6734

Cross Polarized, S6734

Plane Polarized, S6734

Plane Polarized, S6734