BGS mineralogy and petrology collection record

Sample number S20491
Sample Donor Read, H.H.
Rock name 'Original entry: Biotite Pegmatite'
Stratigraphy Not entered
Comments Pegmatite; Younger Igneous; Mem. Sh. 86/96, p. 114
Locality details Quarry, Pointsfield 900 yds NNE of Knowehwad, Glenbarry
50k map sheet Huntly (86)

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Map reference NJ 5737 5405
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


S20491

Cross Polarized, S20491

Plane Polarized, S20491

Plane Polarized, S20491