BGS mineralogy and petrology collection record

Sample number S25868
Sample Donor Macgregor,A.G.
Rock name 'Original entry: ?Acid Porphyrite Or Plagiophyre'
Stratigraphy Not entered
Comments ?Acid porphyrite or plagiophyre, pink porphyrite intrusion into L.O.R.S.
Locality details 1250 yards S 10 deg W from triangulation point 982 Black Hill of Gardner
50k map sheet Ayr (14)

View images in GeoScenic related to 'Ayr'

View the geology near 'Ayr'

Map reference NS 352 018
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


S25868

Cross Polarized, S25868

Plane Polarized, S25868

Plane Polarized, S25868