BGS mineralogy and petrology collection record

Sample number S33549
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Monchiquitic Basalt'
Stratigraphy Not entered
Comments Monchiquitic basalt; intrusion in Lower Carboniferous
Locality details 1300 yds E 37 deg N of NE extremity of Black Rocks Point
50k map sheet North Berwick (41)

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Map reference NT 4948 8538
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


S33549

Cross Polarized, S33549

Plane Polarized, S33549

Plane Polarized, S33549