BGS mineralogy and petrology collection record

Sample number S30709
Sample Donor Robertson,T.
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments Spherulitic felsite dyke, centre; hysterocrystalline coronas
Locality details C6. The Heog, 80 yds S of N-most point
50k map sheet West Shetland ? (127)

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Map reference HU 281 601
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


S30709

Cross Polarized, S30709

Plane Polarized, S30709

Plane Polarized, S30709