BGS mineralogy and petrology collection record

Sample number S1254
Sample Donor Macconachie,A.
Rock name 'Original entry: Hornblende Biotite Porphyrite'
Stratigraphy Not entered
Comments Hornblende biotite porphyrite, contains very little groundmass
Locality details Between Bentudor and Tun Hill, 5 miles S of Castle Douglas
50k map sheet Kirkcudbright (5)

View images in GeoScenic related to 'Kirkcudbright'

View the geology near 'Kirkcudbright'

Map reference NX 76 54
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


S1254

Cross Polarized, S1254

Plane Polarized, S1254

Plane Polarized, S1254