BGS mineralogy and petrology collection record

Sample number S29969
Sample Donor Knox,J.
Rock name 'Original entry: Fine-Grained Ophitic Dolerite Or Basalt'
Stratigraphy Not entered
Comments Dyke very irregular in width running roughly N-S
Locality details Top of cliff, 275 yd N 6 deg E of tower of Lighthouse
50k map sheet Fair Isle (123)

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Map reference HZ 197 701
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


S29969

Cross Polarized, S29969

Plane Polarized, S29969

Plane Polarized, S29969