BGS mineralogy and petrology collection record

Sample number N11944; COLLNOK65;
Sample Donor Kempton, N.
Rock name 'Original entry: Blastomylonite From Garnet Amphibolite'
Stratigraphy Not entered
Comments Large garnet, hornblende and feldspar crystals in a matyrix of shredded biotite, hornblende and quatz feldspar granules; secondary outgrowths around garnet and orthite crystals penetrating ground mass.
Locality details Torr a' Char (Loc.22)
50k map sheet Cluanie (72)

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Map reference NG 895 253
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


N11944

Cross Polarized, N11944

Plane Polarized, N11944

Plane Polarized, N11944