BGS mineralogy and petrology collection record

Sample number E40810; COLLNOKS340;
Sample Donor Siddiqui,K.S.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Igneous intrusion (? Dioritic)
Locality details 3 Km SW of Ganllwyd
50k map sheet Harlech (135)

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Map reference SH 7101 2164
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


E40810

Cross Polarized, E40810

Plane Polarized, E40810

Plane Polarized, E40810