BGS mineralogy and petrology collection record

Sample number S30221
Sample Donor Phemister,J.
Rock name 'Original entry: Epidote-Chlorite-Albite Porphyroblastic Schist'
Stratigraphy Not entered
Comments Epidote-chlorite-albite porphyroblastic schist. Type of pale green schist (Green Beds group) (cut across foliation)
Locality details Hillside 550 ft due N of Norwick, Ollaberry
50k map sheet Yell (130)

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Map reference HU 366 815
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


S30221

Cross Polarized, S30221

Plane Polarized, S30221

Plane Polarized, S30221