BGS mineralogy and petrology collection record

Sample number E63130; COLLNOKB130;
Sample Donor Not entered
Rock name Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Intensely weathered, Sulphide rich Pseudo-vescic(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Pyritic
Locality details Cwm Cowlyd, Siglen
50k map sheet Bangor (106)

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View a geological map near 'Bangor'

Map reference SH 7415 6433
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


E63130

Cross Polarized, E63130

Plane Polarized, E63130

Plane Polarized, E63130