BGS mineralogy and petrology collection record

Sample number S45616; COLLNOYT68;
Sample Donor Howells,M.F.
Rock name 'Original entry: Altered Basaltic Rock (?Alt Lampro)'
Stratigraphy Not entered
Comments Altered basaltic rock (?altered lamprophyre), dyke
Locality details Stob Cleuch, 900 yards W 18 deg N of Gorrenberry Tower
50k map sheet Langholm (11)

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Map reference NY 461 974
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


S45616

Cross Polarized, S45616

Plane Polarized, S45616

Plane Polarized, S45616