BGS mineralogy and petrology collection record

Sample number S25621
Sample Donor Tyrrell, G.W.
Rock name 'Original entry: Pitchstone Tormore Type'
Stratigraphy Not entered
Comments Pitchstone Tormore type, Pitchstone Judd's No. 2 composite dyke, pitchstone portion
Locality details Tormore Shore, S of Machrie Bay, Arran
50k map sheet Arran (Millport) (21)

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Map reference NR 880 320
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


S25621

Cross Polarized, S25621

Plane Polarized, S25621

Plane Polarized, S25621