BGS mineralogy and petrology collection record

Sample number S37038; COLLNO123;
Sample Donor Martin, N.R.
Rock name 'Original entry: Zb'
Stratigraphy Not entered
Comments ?Rotten porphyritic trachyte
Locality details 250 yds ESE of Black Law
50k map sheet Glasgow (30)

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Map reference NS 2785 5939
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


S37038

Cross Polarized, S37038

Plane Polarized, S37038

Plane Polarized, S37038