BGS mineralogy and petrology collection record

Sample number S4242
Sample Donor Peach, B.N.
Rock name 'Original entry: Mylonite?'
Stratigraphy Not entered
Comments Nos. 1, 2; Mylonitic gneiss; 2 slides A, B. Note this spec was originally given the S nos 4242A and B. The original S 4242 is on sheet S56; now that has had to be registered as S4242A! While this is S4242 only. The slides are as originally marked.
Locality details Arnaboll Thrust
50k map sheet Tongue (114)

View images in GeoScenic related to 'Tongue'

View the geology near 'Tongue'

Map reference NC 477 602
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


S4242

Cross Polarized, S4242

Plane Polarized, S4242

Plane Polarized, S4242