BGS mineralogy and petrology collection record

Sample number S29959
Sample Donor Knox,J.
Rock name 'Original entry: Fine-Grained Spheroidal Dolerite Or Basalt'
Stratigraphy Not entered
Comments Dyke c. 15 ft, WNW-ESE
Locality details Top of cliff at head of small geo N of N Naaversgill, 880 yds SW of Ward Hill
50k map sheet Fair Isle (123)

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Map reference HZ 202 728
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


S29959

Cross Polarized, S29959

Plane Polarized, S29959

Plane Polarized, S29959