BGS mineralogy and petrology collection record

Sample number N2806; COLLNOHFB318;
Sample Donor Barron, H.F
Rock name 'Original entry: Trachyte'
Stratigraphy Not entered
Comments Biggar Volcanic Formation
Locality details Quothquan Law, 55 m at 009 deg from summit
50k map sheet Hamilton (23)

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Map reference NS 9882 3837
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


N2806

Cross Polarized, N2806

Plane Polarized, N2806

Plane Polarized, N2806