BGS mineralogy and petrology collection record

Sample number S29336
Sample Donor Phemister,J.
Rock name 'Original entry: Perthitic Granite'
Stratigraphy Not entered
Comments Perthitic granite. Granite from between two blue dykes; ?riebeckite in granite
Locality details 1250 ft 3 deg S of W of outflow from Mill Loch
50k map sheet Yell (130)

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Map reference HU 325 902
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


S29336

Cross Polarized, S29336

Plane Polarized, S29336

Plane Polarized, S29336