BGS mineralogy and petrology collection record

Sample number S16621
Sample Donor Richey, James E.
Rock name 'Original entry: Rhyolite Or Glassy Andesite'
Stratigraphy Not entered
Comments Sill, 2 ft
Locality details 1300 yds SE of spot ht 1848 ft An Gearna
50k map sheet Mull (44)

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Map reference NM 5210 3403
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


S16621

Cross Polarized, S16621

Plane Polarized, S16621

Plane Polarized, S16621