BGS mineralogy and petrology collection record

Sample number S42681; S42681/A;
Sample Donor Phemister,J.
Rock name 'Original entry: Quartz-Feldspar-Biotite-Hornblende Hybrid'
Stratigraphy Not entered
Comments Near completion of assimilation of hornblende gneiss by granite
Locality details Grud Burn, 450 ft downstream from junction with burn from Little Ballia Clett
50k map sheet Yell (130)

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Map reference HU 320 821
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


S42681

Cross Polarized, S42681

Plane Polarized, S42681

Plane Polarized, S42681


S42681/A

Cross Polarized, S42681/A

Plane Polarized, S42681/A

Plane Polarized, S42681/A