BGS mineralogy and petrology collection record

Sample number S28522
Sample Donor Phemister,J.
Rock name 'Original entry: Quartz-Feldspar Porphyry, Granophyric'
Stratigraphy Not entered
Comments Quartz-feldspar porphyry, granophyric. ?Dyke; if so probably granite porphyry. Vol. XL, p. 98
Locality details 1100 ft 14 deg N of W of outflow from Inniscord Lochs
50k map sheet Yell (130)

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Map reference HU 317 901
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


S28522

Cross Polarized, S28522

Plane Polarized, S28522

Plane Polarized, S28522