BGS mineralogy and petrology collection record

Sample number S192; S192/A; S192/B;
Sample Donor Maconachie,A.
Rock name 'Original entry: Hornblende Biotite Porphyrite'
Stratigraphy Not entered
Comments Hornblende biotite porphyrite
Locality details Morroch Bay, 1.5 miles SE of Portpatrick
50k map sheet Stranraer (3)

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Map reference NX 01 52
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


S192/A

Cross Polarized, S192/A

Plane Polarized, S192/A

Plane Polarized, S192/A


S192/B

Cross Polarized, S192/B

Plane Polarized, S192/B

Plane Polarized, S192/B