BGS mineralogy and petrology collection record

Sample number S54077
Sample Donor Mykura,W.
Rock name 'Original entry: Feldspathic Greywacke'
Stratigraphy Not entered
Comments Fine-grained grey sandstone, banded pale and dark grey
Locality details Top of cliff, 500 yd E 10 deg S of Busta
50k map sheet Fair Isle (123)

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Map reference HZ 211 700
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


S54077

Cross Polarized, S54077

Plane Polarized, S54077

Plane Polarized, S54077