BGS mineralogy and petrology collection record

Sample number S20737; S20737/A; S20737/B; S20737/C;
Sample Donor Anderson, E.M.
Rock name 'Original entry: Magnetite Rock'
Stratigraphy Not entered
Comments Magnetite-bearing rock in Old Gneiss; Summ Prog. 1921, p. 109
Locality details Shore just W of Port an Fhir-bhreige
50k map sheet Iona (43)

View images in GeoScenic related to 'Iona'

View the geology near 'Iona'

Map reference NM 2618 2174
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


S20737/A

Cross Polarized, S20737/A

Plane Polarized, S20737/A

Plane Polarized, S20737/A


S20737/B

Cross Polarized, S20737/B

Plane Polarized, S20737/B

Plane Polarized, S20737/B


S20737/C

Cross Polarized, S20737/C

Plane Polarized, S20737/C

Plane Polarized, S20737/C