BGS mineralogy and petrology collection record

Sample number S37445; COLLNOSJ448;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Silicified Porphyritic Cf Quartz-Trachyte'
Stratigraphy Not entered
Comments Lava of Misty Law acid suite, or later lava?
Locality details From High Corbie Knowe S 40 deg E 800 yds
50k map sheet Glasgow (30)

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Map reference NS 2753 6229
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


S37445

Cross Polarized, S37445

Plane Polarized, S37445

Plane Polarized, S37445