BGS mineralogy and petrology collection record

Sample number S30729
Sample Donor Robertson,T.
Rock name 'Original entry: Garnetiferous Hornblende Gneiss'
Stratigraphy Not entered
Comments Gneiss, garnetiferous; new biotite in quartz-oligoclase folia and knots
Locality details C27. N end of Milder Ness
50k map sheet West Shetland ? (127)

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Map reference HU 291 603
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


S30729

Cross Polarized, S30729

Plane Polarized, S30729

Plane Polarized, S30729