BGS mineralogy and petrology collection record

Sample number E19719; E19719/A; COLLNO78;
Sample Donor Road Stone Museum
Rock name 'Original entry: Limestone, Silicified & Slightly Oolomitized'
Stratigraphy Not entered
Comments E19719a is a chert with spicules
Locality details Hurgill quarry. Hurgill Road Richmond
50k map sheet Richmond (41)

View images in GeoScenic related to 'Richmond'

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Map reference NZ 166 016
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


E19719

Cross Polarized, E19719

Plane Polarized, E19719

Plane Polarized, E19719


E19719/A

Cross Polarized, E19719/A

Plane Polarized, E19719/A

Plane Polarized, E19719/A