BGS mineralogy and petrology collection record

Sample number S173
Sample Donor Museum Specimens
Rock name 'Original entry: Augite Porphyrite?'
Stratigraphy Not entered
Comments Augite porphyrite? Decomposed
Locality details Shore SE side of Port Castle, 3 miles S of Whithorn
50k map sheet Whithorn (2)

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Map reference NX 42 35
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


S173

Cross Polarized, S173

Plane Polarized, S173

Plane Polarized, S173