BGS mineralogy and petrology collection record

Sample number E17409; COLLNOPH42;
Sample Donor Phemister,J.
Rock name 'Original entry: Greisenised Biotite, Andalusite Hornfels'
Stratigraphy Not entered
Comments Silty, banded altered hornfels
Locality details 530 yds W 13 deg S of junc between Grainsgill Beck, R. Caldew
50k map sheet Cockermouth (23)

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Map reference NY 322 325
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


E17409

Cross Polarized, E17409

Plane Polarized, E17409

Plane Polarized, E17409