BGS mineralogy and petrology collection record

Sample number E48491; COLLNOLA493;
Sample Donor Allen,P.M.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite
Locality details 360 yds 134 deg from Dolgun Inchaf
50k map sheet Harlech (135)

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Map reference SH 7495 1814
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


E48491

Cross Polarized, E48491

Plane Polarized, E48491

Plane Polarized, E48491