BGS mineralogy and petrology collection record

Sample number E4820; COLLNO1;
Sample Donor Allister, D.Mc.
Rock name 'Original entry: Fine Grained Greywacke'
Stratigraphy Not entered
Comments ? Contact altered.
Locality details From debris on moss from Holy Well.
50k map sheet Bodmin (347)

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Map reference SW 982 617
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


E4820

Cross Polarized, E4820

Plane Polarized, E4820

Plane Polarized, E4820