BGS mineralogy and petrology collection record

Sample number S55270; COLLNODH2580;
Sample Donor Haldane,D.; Phemister,J.;
Rock name 'Original entry: Hornblende Microdiorite'
Stratigraphy Not entered
Comments Hornblende microdiorite
Locality details 2000 ft W of S end of Johnnie Mann's Loch
50k map sheet Central Shetland (128)

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Map reference HU 327 722
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


S55270

Cross Polarized, S55270

Plane Polarized, S55270

Plane Polarized, S55270