BGS mineralogy and petrology collection record

Sample number N3081
Sample Donor Krabbendam, Dr Maarten
Rock name Not entered
Stratigraphy Not entered
Comments Porphyritic felsite with fine groundmass of mainly quartz with some mica and feldspar. Phenocrysts: coarse subhedral plagioclase (oligoclase) and some alkali feldspar altered along rims; coarse rounded quartz; chlorite and chlorite-muscovite-carbonat
Locality details Glen Isla
50k map sheet Glen Shee (56W)

View images in GeoScenic related to 'Glen Shee'

View a geological map near 'Glen Shee'

Map reference NO 1879 7085
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions