BGS mineralogy and petrology collection record

Sample number S33573
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Monchiquitic Basalt With Feldspar-Phyric Basalt Xenolith'
Stratigraphy Not entered
Comments Monchiquitic basalt with feldspar-phyric basalt xenolith; probably intrusion in tuff or agglomerate; Lower Carboniferous
Locality details 400 yds S 11 deg W of N extremity of Longskelly Point
50k map sheet North Berwick (41)

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Map reference NT 5203 8576
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


S33573

Cross Polarized, S33573

Plane Polarized, S33573

Plane Polarized, S33573