BGS mineralogy and petrology collection record

Sample number S74047; COLLNONX1503;
Sample Donor Rock,N.M.S.
Rock name Trachyte.
Stratigraphy Not entered
Comments Pink porphyritic trachyte (sanidine-trachyte phase). Eildon Hills composite laccolith (?Lower Carboniferous)
Locality details Summit ridge, Eildon Mid Hill
50k map sheet Kelso (25)

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Map reference NT 550 325
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


Cross Polarized, S74047

Plane Polarized, S74047

Plane Polarized, S74047