BGS mineralogy and petrology collection record

Sample number E62231; E62231/A; E62231/B; E62231/C; E62231/D; COLLNOLC916;
Sample Donor Fortey,N.J.
Rock name Siltstone (Undifferentiated).
Stratigraphy Arenig.
Comments Dark grey, banded, cleaved slitstone
Locality details Forestry track on Skiddaw Dodd
50k map sheet Keswick (29)

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Map reference NY 2356 2790
Year collected 1989 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E62231/A

Cross Polarized, E62231/A

Plane Polarized, E62231/A

Plane Polarized, E62231/A


E62231/B

Cross Polarized, E62231/B

Plane Polarized, E62231/B

Plane Polarized, E62231/B


E62231/C

Cross Polarized, E62231/C

Plane Polarized, E62231/C

Plane Polarized, E62231/C


E62231/D

Cross Polarized, E62231/D

Plane Polarized, E62231/D

Plane Polarized, E62231/D