BGS mineralogy and petrology collection record

Sample number S29702
Sample Donor Road Board
Rock name 'Original entry: Hornblende-Biotite Granodiorite, Probably Hybrid'
Stratigraphy Not entered
Comments About 20 ft above sea level and about 250 ft in from edge of Loch Etive
Locality details Inverawe Quarry, Muckairn
50k map sheet Oban (45)

View images in GeoScenic related to 'Oban'

View the geology near 'Oban'

Map reference NN 025 316
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


S29702

Cross Polarized, S29702

Plane Polarized, S29702

Plane Polarized, S29702