BGS mineralogy and petrology collection record

Sample number S20759
Sample Donor Anderson, E.M.
Rock name 'Original entry: ?Quartz-Dolerite'
Stratigraphy Not entered
Comments Sill, possibly originally glassy
Locality details 1200 yds S by W from cairn on Beinn Bhugan
50k map sheet Iona (43)

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Map reference NM 4542 2200
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


S20759

Cross Polarized, S20759

Plane Polarized, S20759

Plane Polarized, S20759