BGS mineralogy and petrology collection record

Sample number S8086
Sample Donor Barrow, G.
Rock name 'Original entry: Lamprophyre'
Stratigraphy Not entered
Comments Biotite and hornblende; rock greatly decomposed
Locality details Circles round HS south of Coldrach
50k map sheet Balmoral (65)

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Map reference NO 153 878
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


S8086

Cross Polarized, S8086

Plane Polarized, S8086

Plane Polarized, S8086