BGS mineralogy and petrology collection record

Sample number COLLNOWAT11; G3997;
Sample Donor Styles,M.T.
Rock name 'Original entry: Amygdaloidal Dacitic Volcanic Rock'
Stratigraphy Not entered
Comments Polished Section. Altered Fine-grained, volcanic rock, with abundant feldspar microphenocrysts and opaque pseudomorphs after mafic minerals in a light groundmass. Large amygdales, over 5mm, filled with coarse carbonate. Some late clay infill with ferruginous spherules.
Locality details Raddon Borehole 1
50k map sheet Not entered

View the geology near 'Not entered'

Map reference SS 09 00
Year collected Not entered 
Bore name Raddon Bh 1
Confidentiality No restrictions