BGS mineralogy and petrology collection record

Sample number S71243
Sample Donor Rock,N.M.S.
Rock name 'Original entry: "Lamprophyre", Panidiomorphic Marginal Variant'
Stratigraphy Not entered
Comments "Lamprophyre"; S. 71242-71246 all from this 4-5 m discordant sheet, panidiomorphic marginal variant
Locality details Upper Kilchattan, Colonsay
50k map sheet Colonsay (35)

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Map reference NR 3707 9577
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


S71243

Cross Polarized, S71243

Plane Polarized, S71243

Plane Polarized, S71243