BGS mineralogy and petrology collection record

Sample number S50238; COLLNOYW469;
Sample Donor May,F.
Rock name 'Original entry: Lamprophyre'
Stratigraphy Not entered
Comments Lamprophyre from lenticular mass in granite
Locality details Shore section, 320 yds S 7 deg W of St Mary's Chapel
50k map sheet Central Shetland (128)

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Map reference HU 345 468
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


S50238

Cross Polarized, S50238

Plane Polarized, S50238

Plane Polarized, S50238