BGS mineralogy and petrology collection record

Sample number S22949
Sample Donor Eckford,R.
Rock name 'Original entry: Quartz Biotite Porphyrite'
Stratigraphy Not entered
Comments Quartz biotite porphyrite, dyke 6 feet wide
Locality details 560 yards S of Low Chapelton, 1 mile SW of Borgue
50k map sheet Kirkcudbright (5)

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Map reference NX 61 45
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


S22949

Cross Polarized, S22949

Plane Polarized, S22949

Plane Polarized, S22949