BGS mineralogy and petrology collection record

Sample number S22237; S22237/A; S22237/B;
Sample Donor Richey, James E.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Thin sheets; ?tuff in basalt lavas which form wall of vent; memoir, p. 140
Locality details Shore, 0.5 mile W of Kilchoan Established Church
50k map sheet Tobermory (52)

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Map reference NM 483 635
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


S22237

Cross Polarized, S22237

Plane Polarized, S22237

Plane Polarized, S22237


S22237/A

Cross Polarized, S22237/A

Plane Polarized, S22237/A

Plane Polarized, S22237/A


S22237/B

Cross Polarized, S22237/B

Plane Polarized, S22237/B

Plane Polarized, S22237/B