BGS mineralogy and petrology collection record

Sample number E49336; COLLNOCQ2;
Sample Donor Waters,R.A.
Rock name 'Original entry: Carbonated Amygdaloidal, Porphyritic Olivine Dolomite'
Stratigraphy Not entered
Comments Lamprophyric igneous rock. 2.4m. WNW/ESE. Dyke in Old Red Sandstone.
Locality details Temporary trench for Sputhern hard shoulder drain at road level. Link road from St. Mellons to M4.
50k map sheet Newport (249)

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Map reference ST 2588 8420
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


E49336

Cross Polarized, E49336

Plane Polarized, E49336

Plane Polarized, E49336