BGS mineralogy and petrology collection record

Sample number LABNO5856; UG8062; RC942/2;
Sample Donor Not entered
Rock name 'Original entry: Muscovite (Sericite)'
Stratigraphy Not entered
Comments Fragments and crushed sample of sericitic aggregate on dumps. K2O=6%, Na2O=1.5%, Li2O=0.04%, Rb2O=0.5%, Fe2O3=4%, CaO=0.2%, MgO=1%, TiO2=0.1%, MnO=0.03%. Major SiO2 & lesser Al2O3. No kaolin. Muscovite-sericitic alteration.
Locality details Rwemkanga No.2 works.
50k map sheet Not entered
Map reference Not entered
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions