BGS mineralogy and petrology collection record

Sample number E12733; COLLNOMI12947;
Sample Donor Hallimond,Doctor
Rock name 'Original entry: Oolitic Ironstone With Magnetite And Stilpnomelane'
Stratigraphy Not entered
Comments Not entered
Locality details Tyllaw Mwn, Drws y Nant
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

Map reference Not entered
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


E12733

Cross Polarized, E12733

Plane Polarized, E12733

Plane Polarized, E12733