BGS mineralogy and petrology collection record

Sample number S41709
Sample Donor Phemister,J.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Typical pelitic gneiss with quartzose strings
Locality details Coast, 700 ft S by E of Helliersness Croft
50k map sheet Yell (130)

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Map reference HU 602 879
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


S41709

Cross Polarized, S41709

Plane Polarized, S41709

Plane Polarized, S41709