BGS mineralogy and petrology collection record

Sample number S8977
Sample Donor Harker, Alfred
Rock name 'Original entry: Pitchstone'
Stratigraphy Not entered
Comments Margin of dyke in gabbro (devitrified pitchstone); Tert Ig Rocks Skye, p. 279; Sp Gr 2.60
Locality details W of River Sligachan
50k map sheet Minginish (70)

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Map reference NG 48 25
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


S8977

Cross Polarized, S8977

Plane Polarized, S8977

Plane Polarized, S8977