BGS mineralogy and petrology collection record

Sample number S17380
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Variolite (Allied To Craignurite)'
Stratigraphy Not entered
Comments Block in agglomerate of neck S. 17367; Memoir, p. 365
Locality details Coast 1000 ft ENE of Port a' Ghlinne
50k map sheet Mull (44)

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Map reference NM 6693 2210
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


S17380

Cross Polarized, S17380

Plane Polarized, S17380

Plane Polarized, S17380