BGS mineralogy and petrology collection record

Sample number S29732
Sample Donor Phemister,J.
Rock name 'Original entry: Biotite Augite Olivine Lamprophyre'
Stratigraphy Not entered
Comments Biotite augite olivine lamprophyre, rotten small speroids 2.5 feet wide
Locality details 750 yards N 15 deg W of Coliforthhill
50k map sheet Jedburgh (17)

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Map reference NT 509 123
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


S29732

Cross Polarized, S29732

Plane Polarized, S29732

Plane Polarized, S29732