BGS mineralogy and petrology collection record

Sample number S49190
Sample Donor Harris,A.L.
Rock name 'Original entry: Biotite Granodiorite'
Stratigraphy Not entered
Comments Biotite granodiorite cutting pegmatite above 2 ft veins
Locality details 245 yds W 64 deg S of Mullach Coir'ard Achaidh
50k map sheet Cluanie (72)

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Map reference NH 204 046
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


S49190

Cross Polarized, S49190

Plane Polarized, S49190

Plane Polarized, S49190