BGS mineralogy and petrology collection record

Sample number E38716; COLLNODS413;
Sample Donor Smith,D.B.
Rock name Not entered
Stratigraphy Not entered
Comments Two distinct crystallization patters of Dolomite about 1 1/2' apart but randomly distributed in collapes breccia concretionary Limestone
Locality details Wall of small cave 60yd S. of Archat E. tip of Chowdon
50k map sheet Durham (27)

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Map reference NZ 4429 4651
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


E38716

Cross Polarized, E38716

Plane Polarized, E38716

Plane Polarized, E38716