BGS mineralogy and petrology collection record

Sample number S99970; COLLNOGX1686;
Sample Donor Mendum,J.R.
Rock name Semipelite. 'Original entry: Semi Pelite'
Stratigraphy Not entered
Comments Equigranular biotite semi pelite
Locality details 230m SW of East Head
50k map sheet Portsoy (96W)

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Map reference NJ 6012 6682
Year collected 1997 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S99970

Cross Polarized, S99970

Plane Polarized, S99970

Plane Polarized, S99970