BGS mineralogy and petrology collection record

Sample number S20757
Sample Donor Anderson, E.M.
Rock name 'Original entry: Tholeiite'
Stratigraphy Not entered
Comments Sill, possibly originally glassy; Mull type
Locality details 600 yds S of Ard Fada
50k map sheet Iona (43)

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Map reference NM 4493 2422
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


S20757

Cross Polarized, S20757

Plane Polarized, S20757

Plane Polarized, S20757