BGS mineralogy and petrology collection record

Sample number S37612; COLLNOSJ602;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Cf. Zd With A Little Porphryite And Porphyritic Olivine Pseudomorphs'
Stratigraphy Not entered
Comments Lava zB
Locality details 2700 ft S 10 deg W of Murchan Hill
50k map sheet Glasgow (30)

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Map reference NS 2875 6004
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


S37612

Cross Polarized, S37612

Plane Polarized, S37612

Plane Polarized, S37612