BGS mineralogy and petrology collection record

Sample number S320; S320/A; S320/B; S320/C;
Sample Donor Geikie,A.
Rock name 'Original entry: Tuff Of Basaltic Or Andesitic Character'
Stratigraphy Not entered
Comments Decomposed F
Locality details Loganlee Reservoir
50k map sheet Edinburgh (32)

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Map reference NT 19 62
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


S320/A

Cross Polarized, S320/A

Plane Polarized, S320/A

Plane Polarized, S320/A


S320/B

Cross Polarized, S320/B

Plane Polarized, S320/B

Plane Polarized, S320/B


S320/C

Cross Polarized, S320/C

Plane Polarized, S320/C

Plane Polarized, S320/C