BGS mineralogy and petrology collection record

Sample number S29251
Sample Donor Phemister,J.
Rock name 'Original entry: Biotitic Albite-Porphyroclastic Schist'
Stratigraphy Not entered
Comments Biotitic albite-porphyroclastic schist. Gabbro showing dynamic metamorphism; metatuffisite
Locality details 550 ft NNW of Trumba
50k map sheet Yell (130)

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Map reference HU 383 933
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


S29251

Cross Polarized, S29251

Plane Polarized, S29251

Plane Polarized, S29251