BGS mineralogy and petrology collection record

Sample number S29291
Sample Donor Read, H.H.
Rock name 'Original entry: Garnet-Staurolite-Kynite Gneiss'
Stratigraphy Not entered
Comments Staurolite-kyanite-garnet gneiss; Valla Field Group; Summ Prog 1932, Pt. 1, p. 96; Min Mag, Vol 23, 1934, p. 533; QJGS, Vol.90, 1934, p. 651, Vol. XXXIX, p. 392; Vol. XLV, p. 305, Anal Mem 1956, pp 47-48; Anal Lab No. 932
Locality details Clifftop 490 yds N 35 deg W of trig pt 558 ft, Libbers Hill
50k map sheet Unst (131)

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Map reference HP 584 141
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


S29291

Cross Polarized, S29291

Plane Polarized, S29291

Plane Polarized, S29291