BGS mineralogy and petrology collection record

Sample number E21808
Sample Donor Shannon,W.G.
Rock name Basalt. 'Original entry: Olivine Basalt'
Stratigraphy Not entered
Comments Not entered
Locality details Posbury, Exeter
50k map sheet Exeter (325)

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Map reference SX 814 978
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


E21808

Cross Polarized, E21808

Plane Polarized, E21808

Plane Polarized, E21808