BGS mineralogy and petrology collection record

Sample number S22994
Sample Donor Eckford,R.
Rock name 'Original entry: Quartz Biotite Porphyrite'
Stratigraphy Not entered
Comments Quartz biotite porphyrite, dyke, contact altered
Locality details 1100 yards E 15 deg S of Castlegower
50k map sheet Kirkcudbright (5)

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Map reference NX 79 59
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


S22994

Cross Polarized, S22994

Plane Polarized, S22994

Plane Polarized, S22994