BGS mineralogy and petrology collection record

Sample number S42122
Sample Donor Phemister,J.
Rock name 'Original entry: Garnetiferous Mica Schist'
Stratigraphy Not entered
Comments Massive siliceous garnet-biotite gneiss; quartz invasion and new biotite
Locality details Hillside 60 yds N from Halsagarth
50k map sheet Yell (130)

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Map reference HU 487 916
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


S42122

Cross Polarized, S42122

Plane Polarized, S42122

Plane Polarized, S42122