BGS mineralogy and petrology collection record

Sample number S29844; S29844/A;
Sample Donor Tonks, L.H.
Rock name 'Original entry: Mugearite, Feldspar-Phyric'
Stratigraphy Not entered
Comments Mugearite lava with feldspar phenocrysts (transition zone in lower composite flow)
Locality details 880 yds N 14 deg E of spot ht 1806 ft Sithean na Rapaiche
50k map sheet Tobermory (52)

View images in GeoScenic related to 'Tobermory'

View the geology near 'Tobermory'

Map reference NM 6388 5242
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


S29844

Cross Polarized, S29844

Plane Polarized, S29844

Plane Polarized, S29844


S29844/A

Cross Polarized, S29844/A

Plane Polarized, S29844/A

Plane Polarized, S29844/A