BGS mineralogy and petrology collection record

Sample number S45048
Sample Donor Haldane,D.; Phemister,J.;
Rock name 'Original entry: Biotite-Hornblende-Quartz-Oligoclase Schist'
Stratigraphy Not entered
Comments Biotite-hornblende-quartz-oligoclase schist, from norite, in contact with pegmatite
Locality details N shore of Olna Firth, 100 yds SW of Pitt Croft
50k map sheet Central Shetland (128)

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Map reference HU 368 649
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


S45048

Cross Polarized, S45048

Plane Polarized, S45048

Plane Polarized, S45048