BGS mineralogy and petrology collection record

Sample number COLLNOST1; G4065;
Sample Donor Styles,M.T.
Rock name 'Original entry: Altered Andesitic-Basaltic Volcanic Rock'
Stratigraphy Not entered
Comments Altered volcanic rock with abundant plagioclase mictophenocrysts that are mostly extensively altered. Interstitial pseudomorhs after mafic minerals and opaque minerals. Some intestitial carbonate and cut y carbonate veins. One amygdsale with quartz and clay minerals. Mine
Locality details Stupna, Czech Republic
50k map sheet Not entered
Map reference 50:29,15:34
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions