BGS mineralogy and petrology collection record

Sample number S21649
Sample Donor Eyles,V.A.
Rock name Not entered
Stratigraphy Not entered
Comments 3 ft NW inclined dyke with porphyritic feldspar
Locality details 1880 yds WSW of Sgurr Bharrach, 60 yds W of S. 21648
50k map sheet Tiree (42)

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Map reference NM 0269 4879
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


S21649

Cross Polarized, S21649

Plane Polarized, S21649

Plane Polarized, S21649