BGS mineralogy and petrology collection record

Sample number MR14896; F4142;
Sample Donor Not entered
Rock name Lava (Undifferentiated). 'Original entry: Porphyritic Essexite'
Stratigraphy Permian.
Comments porphyritic essexite, Permian,Collected by W Maunon:M3370
Locality details At roadside, ?Steinshagan, 11km WNW of Oslo,surface exposure,Norway
50k map sheet Not entered
Map reference 59:55,10:33
Year collected 1935 
Bore name Not applicable
Confidentiality No restrictions