BGS mineralogy and petrology collection record

Sample number E7269; COLLNO2;
Sample Donor Allister, D.Mc.
Rock name 'Original entry: Fine Conglomerate'
Stratigraphy Not entered
Comments Fragments of carbonaceous shale with quartz and feldspar.
Locality details Near Alston.
50k map sheet Tavistock (337)

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Map reference SX 391 749
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


E7269

Cross Polarized, E7269

Plane Polarized, E7269

Plane Polarized, E7269