BGS mineralogy and petrology collection record

Sample number S24795
Sample Donor Ross, George
Rock name 'Original entry: Sodaclase Biolite Porphyry'
Stratigraphy Not entered
Comments Sodaclase biolite porphyry, eastern edge of sill, or laccolite ?
Locality details 100 yards SW of S. Brackenside in W side of stream
50k map sheet Hamilton (23)

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Map reference NS 7677 3869
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


S24795

Cross Polarized, S24795

Plane Polarized, S24795

Plane Polarized, S24795