BGS mineralogy and petrology collection record

Sample number S74006; COLLNONX1401A;
Sample Donor Rock,N.M.S.
Rock name Porphyry.
Stratigraphy Not entered
Comments Porphyritic felsite (shown as cutting Great Conglomerate on map but no contacts actually seen. May be Lower Carboniferous)
Locality details In field E of A68 and woods, N of Earlston
50k map sheet Kelso (25)

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Map reference NT 5685 3975
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


S74006

Cross Polarized, S74006

Plane Polarized, S74006

Plane Polarized, S74006