BGS mineralogy and petrology collection record

Sample number S29558
Sample Donor Phemister,J.
Rock name 'Original entry: Syenite, Shattered And Chlorite-Permeated'
Stratigraphy Not entered
Comments Syenite, shattered and chlorite-permeated. Dark green lens in granite; ?schlieren of an old dyke
Locality details 3100 ft N of Spring Wells which lie N of Collafirth Hill
50k map sheet Yell (130)

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Map reference HU 330 852
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


S29558

Cross Polarized, S29558

Plane Polarized, S29558

Plane Polarized, S29558