BGS mineralogy and petrology collection record

Sample number N1010; COLLNORYF159;
Sample Donor Ball, F.Derek
Rock name Rhyolite. 'Original entry: Felsitic Rhyolite'
Stratigraphy Not entered
Comments Felsitic intrusion in Permian strata
Locality details BH3 (BGS Scot, GW Reg No. 93/5), Machrie area, West Arran
50k map sheet Arran (Millport) (21)

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Map reference NR 9176 3146
Year collected 1998 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


Cross Polarized, N1010

Plane Polarized, N1010

Plane Polarized, N1010