BGS mineralogy and petrology collection record

Sample number E46322; COLLNOBP24;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Diorite intrusion in Ordovician
Locality details Stream exposure, 220 m at 220 deg from Blaenau
50k map sheet Harlech (135)

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Map reference SH 7913 2257
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


E46322

Cross Polarized, E46322

Plane Polarized, E46322

Plane Polarized, E46322