BGS mineralogy and petrology collection record

Sample number E41585; COLLNOSN1637;
Sample Donor Sanderson,R.W.
Rock name Tuff. 'Original entry: Crystal Lithic Tuff'
Stratigraphy Not entered
Comments Agglomerate or brecciated albite porphyry. Ordovician
Locality details W side of Qry. E end of Montgomery Hill
50k map sheet Montgomery (165)

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Map reference SO 2218 9695
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


Cross Polarized, E41585

Plane Polarized, E41585

Plane Polarized, E41585