BGS mineralogy and petrology collection record

Sample number E46313; COLLNOBP15;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Diorite intrusion in feldspathic Sst., Ordovician
Locality details Track side exposure, 190 m at 282 deg from Blaenau
50k map sheet Harlech (135)

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Map reference SH 7909 2271
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


E46313

Cross Polarized, E46313

Plane Polarized, E46313

Plane Polarized, E46313