BGS mineralogy and petrology collection record

Sample number S23911; S23911/a; S23911/b;
Sample Donor Phemister,J.
Rock name 'Original entry: Syenite'
Stratigraphy Not entered
Comments Syenite, pink dioritic vein or lenticle enclosed in the Loudoun Hill rock and containing pebbles of the later
Locality details SW face 140 yards 24 deg S of W of summit of Loudoun Hill
50k map sheet Hamilton (23)

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Map reference NS 6174 3784
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


S23911/a

Cross Polarized, S23911/a

Plane Polarized, S23911/a

Plane Polarized, S23911/a


S23911/b

Cross Polarized, S23911/b

Plane Polarized, S23911/b

Plane Polarized, S23911/b