BGS mineralogy and petrology collection record

Sample number S13869
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Highly Porphyritic Feldspathic Dolerite'
Stratigraphy Not entered
Comments Probably lava; ophitic base, epidote and albite developed
Locality details Coire nam Each
50k map sheet Mull (44)

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Map reference NM 626 406
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


S13869

Cross Polarized, S13869

Plane Polarized, S13869

Plane Polarized, S13869