BGS mineralogy and petrology collection record

Sample number S33563
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Block In Tuff, Feldspar-Phyric ?Trachyte'
Stratigraphy Not entered
Comments Block in tuff, feldspar-phyric ?trachyte; Lower Carboniferous
Locality details Hanging Rocks, 550 yds W 31 deg S of Marine Villa, Weaklaw
50k map sheet North Berwick (41)

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Map reference NT 4988 8573
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


S33563

Cross Polarized, S33563

Plane Polarized, S33563

Plane Polarized, S33563