BGS mineralogy and petrology collection record

Sample number S11737
Sample Donor Harker, Alfred
Rock name 'Original entry: Pitchstone'
Stratigraphy Not entered
Comments Dyke
Locality details Rudh' an Tangaird, Eigg
50k map sheet Rum (60)

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Map reference NM 478 833
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


S11737

Cross Polarized, S11737

Plane Polarized, S11737

Plane Polarized, S11737