BGS mineralogy and petrology collection record

Sample number E23688
Sample Donor Armstrong,G.; Dunham,K.C.;
Rock name 'Original entry: Halite-Talc-Little Sylvite'
Stratigraphy Not entered
Comments see min. mag. Vol xxix No214 p 685 4080' upper evaporate series, permian
Locality details Eskdale BH No4
50k map sheet Whitby & Scalby (44)

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Map reference NZ 90423 07774
Year collected Not entered 
Bore name Eskdale 4
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E23688

Cross Polarized, E23688

Plane Polarized, E23688

Plane Polarized, E23688