BGS mineralogy and petrology collection record

Sample number S33605; COLLNO274x;
Sample Donor Eyles,V.A.
Rock name 'Original entry: Porphyritic Rhyo-Dacite'
Stratigraphy Not entered
Comments ?Intrusive porphyric trachyte (into Calciferous Sandstone)
Locality details In stream, 700 yds N 43 deg W of Girtley Mill
50k map sheet Glasgow (30)

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Map reference NS 2365 6189
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


S33605

Cross Polarized, S33605

Plane Polarized, S33605

Plane Polarized, S33605