BGS mineralogy and petrology collection record

Sample number E40819; COLLNOKS351;
Sample Donor Siddiqui,K.S.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details 760 m 100 deg from St. John's Ch. Barmouth
50k map sheet Harlech (135)

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Map reference SH 6209 1582
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


E40819

Cross Polarized, E40819

Plane Polarized, E40819

Plane Polarized, E40819