BGS mineralogy and petrology collection record

Sample number E6997; COLLNO121;
Sample Donor Thomas,H.H.
Rock name Andesite. 'Original entry: Marloesite'
Stratigraphy Not entered
Comments Included with sheet 227.
Locality details 11. Grassholm Island.
50k map sheet Milford (226)

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Map reference
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


E6997

Cross Polarized, E6997

Plane Polarized, E6997

Plane Polarized, E6997