BGS mineralogy and petrology collection record

Sample number S49328; COLLNOYC1170;
Sample Donor Mykura,W.
Rock name 'Original entry: Quartz- K-Feldspar-Phyric Felsite'
Stratigraphy Not entered
Comments Quartz- K-feldspar-phyric felsite/Porphyritic 'granophyre' (grey)
Locality details NW corner of Braga Ness, 1090 yds NNE of mouth of stream entering Mill Bight
50k map sheet Central Shetland (128)

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Map reference HU 315 607
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


S49328

Cross Polarized, S49328

Plane Polarized, S49328

Plane Polarized, S49328