BGS mineralogy and petrology collection record

Sample number E31755; COLLNO291;
Sample Donor Dixon,E.E.L.
Rock name Not entered
Stratigraphy Not entered
Comments Red bed chert 20" bed.? Radiolaria sponge spicules silic d Limestone
Locality details Helwith Reback
50k map sheet Richmond (41)

View images in GeoScenic related to 'Richmond'

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Map reference NZ 074 028
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


E31755

Cross Polarized, E31755

Plane Polarized, E31755

Plane Polarized, E31755