BGS mineralogy and petrology collection record

Sample number S23786
Sample Donor Read, H.H.
Rock name 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Porphyrite, dyke in O.R.S.
Locality details The Dimple, 750 yards SE of Tinto Cairn
50k map sheet Hamilton (23)

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View the geology near 'Hamilton'

Map reference NS 9590 3402
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


S23786

Cross Polarized, S23786

Plane Polarized, S23786

Plane Polarized, S23786