BGS mineralogy and petrology collection record

Sample number S79704; COLLNOAX1998;
Sample Donor Floyd,J.D.
Rock name 'Original entry: Greywacke'
Stratigraphy Not entered
Comments Ordovician
Locality details Quarry, 900 m SW of Dalnaw, Drumlamford
50k map sheet Carrick (8)

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Map reference NX 3182 7611
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


S79704

Cross Polarized, S79704

Plane Polarized, S79704

Plane Polarized, S79704