BGS mineralogy and petrology collection record

Sample number S37455; COLLNOSJ474;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Fine Trachyte Tuff Or Rotten Albite Trachyte (Autobrecciated)'
Stratigraphy Not entered
Comments Relations obscure - probably d ' lava of Misty Law suite
Locality details From High Corbie Knowe E 42 deg N 875 yds
50k map sheet Glasgow (30)

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Map reference NS 2770 6238
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


S37455

Cross Polarized, S37455

Plane Polarized, S37455

Plane Polarized, S37455