BGS mineralogy and petrology collection record

Sample number S74048; COLLNONX1504;
Sample Donor Rock,N.M.S.
Rock name Rhyolite.
Stratigraphy Not entered
Comments Altered trachyte (?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 546 323
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, S74048

Plane Polarized, S74048

Plane Polarized, S74048