BGS mineralogy and petrology collection record

Sample number S25928
Sample Donor Stephens,J.V.
Rock name 'Original entry: Alnoite'
Stratigraphy Not entered
Comments Dyke 7 ft - 9 ft wide, trend 140 deg
Locality details On coast 300 yd W of Orakirk, Peterton
50k map sheet Kirkwall (119)

View images in GeoScenic related to 'Kirkwall'

View the geology near 'Kirkwall'

Map reference HY 299 046
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


S25928

Cross Polarized, S25928

Plane Polarized, S25928

Plane Polarized, S25928