BGS mineralogy and petrology collection record

Sample number S21999
Sample Donor Phemister,J.
Rock name 'Original entry: Diopside Rock, Altered Limestone'
Stratigraphy Not entered
Comments Lens of altered limestone 2 yds by 5 yds. Veined by syenite S. 22000 shows intimate mixture of syenite and sediment
Locality details E face of N peak of Sail an Ruathair just above the scree slope 530 yds 30 deg N of W of NE corner of Loch Sail an Ruathair
50k map sheet Lairg (102)

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Map reference NC 33012 15217
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


S21999

Cross Polarized, S21999

Plane Polarized, S21999

Plane Polarized, S21999