BGS mineralogy and petrology collection record

Sample number S1238
Sample Donor Macconachie,A.
Rock name 'Original entry: Hornblende Biotite Porphyrite'
Stratigraphy Not entered
Comments Hornblende biotite porphyrite, "Type" microcrystalline groundmass (flow structure)
Locality details Hill 1 mile N of Dalbeattie (dyke)
50k map sheet Kirkcudbright (5)

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Map reference NX 83 63
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


S1238

Cross Polarized, S1238

Plane Polarized, S1238

Plane Polarized, S1238