BGS mineralogy and petrology collection record

Sample number E4295; COLLNO17;
Sample Donor Barrow, G.
Rock name 'Original entry: Elvan Or Quartz Porphyry'
Stratigraphy Not entered
Comments See Geol.of Isles of Scilly pp.12;13.
Locality details Shore E.side of St.Mary's, Scilly Is
50k map sheet Isles of Scilly (357)

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Map reference SV 930 114
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


E4295

Cross Polarized, E4295

Plane Polarized, E4295

Plane Polarized, E4295