BGS mineralogy and petrology collection record

Sample number MR6682; F3264;
Sample Donor Not entered
Rock name Trachyte. 'Original entry: Nepheline Sodalite Phonolite, Trachytic'
Stratigraphy Not entered
Comments nepheline sodalite phonolite, trachytic, ,Collected by F. Schwalm (Baden):blue46
Locality details Kletschen, Mittelgebirges, Bohemia,surface exposure,See ledger for reference to analysis,Czechoslovakia
50k map sheet Not entered
Map reference Not entered
Year collected 1932 
Bore name Not applicable
Confidentiality No restrictions