BGS mineralogy and petrology collection record

Sample number S32448; S32448/A; S32448/B;
Sample Donor Eyles,V.A.
Rock name 'Original entry: Hornblende Gneiss, ?Less Altered'
Stratigraphy Not entered
Comments Dark gneiss of same specimen, 2.5-3 inches away from contact
Locality details NE end of shore, Balephetrish, exposure a few yards E of natural arch
50k map sheet Tiree (42)

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Map reference NM 0115 4756
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


S32448/A

Cross Polarized, S32448/A

Plane Polarized, S32448/A

Plane Polarized, S32448/A


S32448/B

Cross Polarized, S32448/B

Plane Polarized, S32448/B

Plane Polarized, S32448/B