BGS mineralogy and petrology collection record

Sample number E20737; COLLNORB1742 A2;
Sample Donor Road Board
Rock name Amphibolite. 'Original entry: Amphibolite'
Stratigraphy Not entered
Comments Low impact value 11.
Locality details St. Keverne Quarry, Porth Kerris Point, St. Keverne.
50k map sheet Lizard (359)

View images in GeoScenic related to 'Lizard'

View a geological map near 'Lizard'

Map reference SW 806 229
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E20737

Cross Polarized, E20737

Plane Polarized, E20737

Plane Polarized, E20737