BGS mineralogy and petrology collection record

Sample number S386
Sample Donor Maconachie,A.
Rock name 'Original entry: Decomposed Porphyritic Pyroxene Andesites, Group 1(A)'
Stratigraphy Not entered
Comments Decomposed porphyritic pyroxene andesites, group 1(a), Old Red Lavas
Locality details At Dunure Old Castle
50k map sheet Ayr (14)

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Map reference NS 253 158
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


S386

Cross Polarized, S386

Plane Polarized, S386

Plane Polarized, S386