BGS mineralogy and petrology collection record

Sample number S26031
Sample Donor Richey, James E.
Rock name Not entered
Stratigraphy Not entered
Comments Biotite-feldspar schist associated with hornblende schists
Locality details 900 yds W 37 deg N of S end of Loch Coulside
50k map sheet Altnaharra (108)

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Map reference NC 5683 4382
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


S26031

Cross Polarized, S26031

Plane Polarized, S26031

Plane Polarized, S26031