BGS mineralogy and petrology collection record

Sample number S7078
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Basalt'
Stratigraphy Not entered
Comments Sp. Gr. 2.90
Locality details N of gabbro on most northerly spur of Belig
50k map sheet Glenelg (71)

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Map reference NG 544 247
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


S7078

Cross Polarized, S7078

Plane Polarized, S7078

Plane Polarized, S7078