BGS mineralogy and petrology collection record

Sample number E66763; E66763/A; E66763/B; E66763/C;
Sample Donor Rushton,A.A.
Rock name Not entered
Stratigraphy Not entered
Comments A - Vesiclar 'basalt' (2 more slides: 66763B- 'basalt'; 66763C - vesicular 'basalt'
Locality details Gilford Farm No. 1 BH, Llanwrtyd Wells, powys
50k map sheet Builth (196)

View images in GeoScenic related to 'Builth'

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Map reference SN 8759 4922
Year collected Not entered 
Bore name Gilfach Farm No.1, Powys (E66763b- 42.55 M; E66763c - 60.15m)
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E66763/A

Cross Polarized, E66763/A

Plane Polarized, E66763/A

Plane Polarized, E66763/A


E66763/B

Cross Polarized, E66763/B

Plane Polarized, E66763/B

Plane Polarized, E66763/B


E66763/C

Cross Polarized, E66763/C

Plane Polarized, E66763/C

Plane Polarized, E66763/C