BGS mineralogy and petrology collection record

Sample number S74049; COLLNONX1505;
Sample Donor Rock,N.M.S.
Rock name Rhyolite.
Stratigraphy Not entered
Comments Banded trachyte with coarse patch (?riebeckite bearing or olivine-augite trachyte phase). Eildon Hills composite laccolith (?Lower Carboniferous)
Locality details W side Eildon Mid Hill
50k map sheet Kelso (25)

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Map reference NT 545 323
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, S74049

Plane Polarized, S74049

Plane Polarized, S74049