BGS mineralogy and petrology collection record

Sample number S25431; COLLNOSN153;
Sample Donor Phemister,J.
Rock name Not entered
Stratigraphy Not entered
Comments Squeezed hornblende rock from contorted mixture of granite and hornblende rock
Locality details Left bank of R Naver 1600 yds 18 deg S of E of exit of Gull Loch
50k map sheet Altnaharra (108)

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Map reference NC 6878 4263
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


S25431

Cross Polarized, S25431

Plane Polarized, S25431

Plane Polarized, S25431