BGS mineralogy and petrology collection record

Sample number S22051
Sample Donor Phemister,J.
Rock name 'Original entry: 'Basic Knot'; Hastingsite-Pyroxene-Feldspar Rock'
Stratigraphy Not entered
Comments Lens of basic rock with apparent dip downstream due to trhusting
Locality details In Black Rock Burn 1185 yds from junction of R Oykell with Allt an Sail Ruathair; right bank
50k map sheet Lairg (102)

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Map reference NC 31670 13323
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


S22051

Cross Polarized, S22051

Plane Polarized, S22051

Plane Polarized, S22051