BGS mineralogy and petrology collection record

Sample number S1235
Sample Donor Macconachie,A.
Rock name 'Original entry: Hornblende Biotite Porphyrite'
Stratigraphy Not entered
Comments Hornblende biotite porphyrite, holocrystalline groundmass
Locality details Hill W of Auchengate, 2 miles NW of Dalbeattie
50k map sheet Kirkcudbright (5)

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Map reference NX 81 62
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


S1235

Cross Polarized, S1235

Plane Polarized, S1235

Plane Polarized, S1235