BGS mineralogy and petrology collection record

Sample number S71106; COLLNONX955;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Lamprophyre / Porphyry Contact'
Stratigraphy Not entered
Comments Contact of lower 'lamprophyre' with porphyry; complex interactrion of two Caledonian 'lamprophyre' sheets, both discordant and several metres thick
Locality details Ceann, Iona
50k map sheet Iona (43)

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Map reference NM 2650 2417
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


S71106

Cross Polarized, S71106

Plane Polarized, S71106

Plane Polarized, S71106