BGS mineralogy and petrology collection record

Sample number S24051
Sample Donor Ross, George
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry, boulder and pebbles in quartzite conglomerate near top of Downtonian Series
Locality details In Smithy Burn 1000 feet from head of burn
50k map sheet Hamilton (23)

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Map reference NS 7878 3019
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


S24051

Cross Polarized, S24051

Plane Polarized, S24051

Plane Polarized, S24051