BGS mineralogy and petrology collection record

Sample number S493; S493/A; S493/B; S493/C; S493/D; COLLNO1666;
Sample Donor Macconachie,A.F.
Rock name 'Original entry: Andesite F'
Stratigraphy Not entered
Comments Edinburgh Memoir, 1910, p. 34 (anal.)
Locality details Blackford Hill, S end of quarried face, S side of hill
50k map sheet Edinburgh (32)

View images in GeoScenic related to 'Edinburgh'

View the geology near 'Edinburgh'

Map reference NT 261 702
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


S493

Cross Polarized, S493

Plane Polarized, S493

Plane Polarized, S493


S493/A

Cross Polarized, S493/A

Plane Polarized, S493/A

Plane Polarized, S493/A


S493/B

Cross Polarized, S493/B

Plane Polarized, S493/B

Plane Polarized, S493/B


S493/C

Cross Polarized, S493/C

Plane Polarized, S493/C

Plane Polarized, S493/C


S493/D

Cross Polarized, S493/D

Plane Polarized, S493/D

Plane Polarized, S493/D