BGS mineralogy and petrology collection record

Sample number S322; S322/A; S322/B;
Sample Donor Geikie,A.
Rock name 'Original entry: Diabase'
Stratigraphy Not entered
Comments Lava bed; Upper ORS
Locality details NW end of Hoy
50k map sheet Kirkwall (119)

View images in GeoScenic related to 'Kirkwall'

View the geology near 'Kirkwall'

Map reference HY 20 04
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


S322/A

Cross Polarized, S322/A

Plane Polarized, S322/A

Plane Polarized, S322/A


S322/B

Cross Polarized, S322/B

Plane Polarized, S322/B

Plane Polarized, S322/B