BGS mineralogy and petrology collection record

Sample number S15653
Sample Donor Clough, C.T.
Rock name 'Original entry: Ophitic Dolerite (Decomposed)'
Stratigraphy Not entered
Comments N-S dyke; sp. gr.2.99
Locality details 3620 ft N of Derrynaculan
50k map sheet Mull (44)

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Map reference NM 5670 3031
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


S15653

Cross Polarized, S15653

Plane Polarized, S15653

Plane Polarized, S15653