BGS mineralogy and petrology collection record

Sample number S187; S187/A;
Sample Donor Maconachie,A.
Rock name 'Original entry: Hornblende Biotite Porphyrite'
Stratigraphy Not entered
Comments Hornblende biotite porphyrite
Locality details Cairngarroch Bay, 4 miles S by W of Stonykirk
50k map sheet Stranraer (3)

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Map reference NX 04 49
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


S187

Cross Polarized, S187

Plane Polarized, S187

Plane Polarized, S187


S187/A

Cross Polarized, S187/A

Plane Polarized, S187/A

Plane Polarized, S187/A