BGS mineralogy and petrology collection record

Sample number S77491; COLLNOMY632;
Sample Donor Gould,D.
Rock name Granofels. 'Original entry: Sillimanite Migmatite'
Stratigraphy Not entered
Comments Coarse grained migmatitic gneiss with large sillimanite crystals on surface
Locality details 270m NW of Balnacraig
50k map sheet Alford (76W)

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Map reference NJ 6037 0379
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


S77491

Cross Polarized, S77491

Plane Polarized, S77491

Plane Polarized, S77491