BGS mineralogy and petrology collection record

Sample number S48661; S48661/A; S48661/B; S48661/C; COLLNOYR477;
Sample Donor Smith,D.I.
Rock name 'Original entry: Dark Porphyrite Cut By Pink Aplite; Both Cut By Pink Granite'
Stratigraphy Not entered
Comments Dark porphyrite dyke cut by pink aplite; both cut by pink granite
Locality details Inverawe Tunnel runs SE (HE 26); 7378 ft from access tunnel portal
50k map sheet Oban (45)

View images in GeoScenic related to 'Oban'

View the geology near 'Oban'

Map reference NN 0360 3116
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


S48661/A

Cross Polarized, S48661/A

Plane Polarized, S48661/A

Plane Polarized, S48661/A


S48661/B

Cross Polarized, S48661/B

Plane Polarized, S48661/B

Plane Polarized, S48661/B


S48661/C

Cross Polarized, S48661/C

Plane Polarized, S48661/C

Plane Polarized, S48661/C