BGS mineralogy and petrology collection record

Sample number S25432; COLLNOSN154;
Sample Donor Phemister,J.
Rock name Not entered
Stratigraphy Not entered
Comments Striped hornblende granite gneiss; ?due to shearing together of granite and hornblende rock
Locality details Left bank of R Naver 1mile 30 yds 12 deg S of E of exit of Gull Loch
50k map sheet Altnaharra (108)

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Map reference NC 6892 4275
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


S25432

Cross Polarized, S25432

Plane Polarized, S25432

Plane Polarized, S25432