BGS mineralogy and petrology collection record

Sample number E46310; COLLNOBP12;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Diorite intrusion; Ordovician
Locality details Stream Bank, 300 m at 137 deg from Blaenau
50k map sheet Harlech (135)

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Map reference SH 7950 2251
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


E46310

Cross Polarized, E46310

Plane Polarized, E46310

Plane Polarized, E46310