BGS mineralogy and petrology collection record

Sample number S18023
Sample Donor Clough, C.T.
Rock name 'Original entry: Glassy Tholeiite'
Stratigraphy Not entered
Comments Brunton type
Locality details 1150 fft ENE by E of Lochan a' Phuill
50k map sheet Iona (43)

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Map reference NM 4281 2214
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


S18023

Cross Polarized, S18023

Plane Polarized, S18023

Plane Polarized, S18023