BGS mineralogy and petrology collection record

Sample number E20065/A; LABNO1328;
Sample Donor Dunham,K.C.
Rock name 'Original entry: White Trap With A Little Blende'
Stratigraphy Not entered
Comments N.P.O. memo. Vol 1 p 105 [also 20065 A&B] see chem. Anal.mem. 1956 pp 22-23 Altered whin sill 0-5' from hanging wall [E] of Winterlush vein
Locality details Cowgreen Barytes Mine 106' level 100' N. of Wrentnall 3m SSW. Of Valence Lodge
50k map sheet Alston (25)

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Map reference NY 810 305
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


E20065/A

Cross Polarized, E20065/A

Plane Polarized, E20065/A

Plane Polarized, E20065/A