BGS mineralogy and petrology collection record

Sample number E46325; COLLNOBP27;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Altered Diorite intrusion in Perhos Shales
Locality details Stream exposure, 150 m at 115 deg from Bridge over Nant Hir
50k map sheet Harlech (135)

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Map reference SH 7523 3190
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


E46325

Cross Polarized, E46325

Plane Polarized, E46325

Plane Polarized, E46325