BGS mineralogy and petrology collection record

Sample number S71115
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Lamprophyre, Aphanitic'
Stratigraphy Not entered
Comments Lower 'lamprophyre'/ central porphyry contact; thick and extensive discordant Caledonian sheet in Lewisian, dipping gently west
Locality details Port Gortean Iar
50k map sheet Iona (43)

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View the geology near 'Iona'

Map reference NM 2645 2163
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


S71115

Cross Polarized, S71115

Plane Polarized, S71115

Plane Polarized, S71115