BGS mineralogy and petrology collection record

Sample number S21993
Sample Donor Phemister,J.
Rock name 'Original entry: Grorudite; Aegirine Replaced By Magnetite'
Stratigraphy Not entered
Comments Clean-jointed fine-grained rock standing out of coarse-grained syenite like a dyke
Locality details Allt Sail an Ruathair, 1000 yds from junction with River Oykell
50k map sheet Lairg (102)

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Map reference NC 33226 13663
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions