BGS mineralogy and petrology collection record

Sample number E61978
Sample Donor Merriman,R.J.
Rock name Not entered
Stratigraphy Not entered
Comments Blue Grey silty slate; Garnedd Wen Form. Ashgill
Locality details 1.2 Km NW of Corris
50k map sheet Barmouth (149)

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Map reference SN 748 108
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


E61978

Cross Polarized, E61978

Plane Polarized, E61978

Plane Polarized, E61978