BGS mineralogy and petrology collection record

Sample number S35302
Sample Donor Phemister,J.
Rock name 'Original entry: Riebeckite-Acmite Felsite'
Stratigraphy Not entered
Comments Riebeckite-acmite felsite. Dove-blue homogeneous non-porphyritic type of felsite dyke; granophyric. Vol. XL, p. 98
Locality details 300 ft NW of Brevligarth, North Roe
50k map sheet Yell (130)

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Map reference HU 335 920
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


S35302

Cross Polarized, S35302

Plane Polarized, S35302

Plane Polarized, S35302