BGS mineralogy and petrology collection record

Sample number S416; S416/A; S416/B; COLLNO1681;
Sample Donor Macconachie,A.F.
Rock name 'Original entry: Basalt Or Andesite?'
Stratigraphy Not entered
Comments "Porphyrite", decomposed F
Locality details E end of Hillend Hill, Pentlands
50k map sheet Edinburgh (32)

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Map reference NT 248 664
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


S416/A

Cross Polarized, S416/A

Plane Polarized, S416/A

Plane Polarized, S416/A


S416/B

Cross Polarized, S416/B

Plane Polarized, S416/B

Plane Polarized, S416/B