BGS mineralogy and petrology collection record

Sample number E26881; COLLNOAA109;
Sample Donor Archer,A.A.
Rock name Metadolostone. 'Original entry: Mudstone'
Stratigraphy Not entered
Comments Not entered
Locality details Llanwyrst Lead Mine. Inclined Borehole No.13, 610 yds. S52W of Parc Villa
50k map sheet Bangor (106)

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Map reference SH 781 597
Year collected Not entered 
Bore name Llanwyrst No.13
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E26881

Cross Polarized, E26881

Plane Polarized, E26881

Plane Polarized, E26881