BGS mineralogy and petrology collection record

Sample number S23556
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Dolerite, Altered'
Stratigraphy Not entered
Comments Altered dolerite dyke with agate-filled vesicles; another variety of S. 23555
Locality details E bank 1040 yds SE along burn from main Allt Beithe stream junction
50k map sheet Tobermory (52)

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Map reference NM 6608 6417
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


S23556

Cross Polarized, S23556

Plane Polarized, S23556

Plane Polarized, S23556