BGS mineralogy and petrology collection record

Sample number S64312
Sample Donor Collins,G.H.
Rock name 'Original entry: Porphyritic Lava'
Stratigraphy Not entered
Comments Porphyritic lava; pebbles from Lower ORS conglomerate
Locality details Just N of pier at Craigie Fort, about 500 yds NW of Balmaha
50k map sheet Loch Lomond (38)

View images in GeoScenic related to 'Loch Lomond'

View the geology near 'Loch Lomond'

Map reference NS 416 909
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


S64312

Cross Polarized, S64312

Plane Polarized, S64312

Plane Polarized, S64312