BGS mineralogy and petrology collection record

Sample number S190
Sample Donor Maconachie,A.
Rock name 'Original entry: Porphyrite (Altered)'
Stratigraphy Not entered
Comments Porphyrite (altered)
Locality details Finlock Bay, 4 miles W of Stonykirk
50k map sheet Stranraer (3)

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Map reference NX 02 51
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


S190

Cross Polarized, S190

Plane Polarized, S190

Plane Polarized, S190