BGS mineralogy and petrology collection record

Sample number UG8058; RC963/1;
Sample Donor Not entered
Rock name Pegmatite. 'Original entry: Manganese Minerals, Muscovite, Columbite-Tantalite'
Stratigraphy Not entered
Comments Small white, weatherd fragments. Fibrous clay mineral aggregates interspersed with subsidiary amounts of fine-grained quartz, striated muscovite books & irregular small patches of friasle Mn oxides (2-3%). Crystals of columbite-tantalite up to 4cms l
Locality details Manganese oxides. Nyanga N. pegmatite, Ankole, S.W. Uganda.
50k map sheet Not entered
Map reference Not entered
Year collected
Bore name Not applicable
Confidentiality No restrictions