BGS mineralogy and petrology collection record

Sample number S50016; COLLNOYR1061;
Sample Donor Dearnley,R.
Rock name 'Original entry: Felsic Porphyrite'
Stratigraphy Not entered
Comments 2 ft foliated felsic porphyrite; concordant sheet (margin)
Locality details 900 yds W 3 deg S from Uladail
50k map sheet Tobermory (52)

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Map reference NM 7071 5059
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


S50016

Cross Polarized, S50016

Plane Polarized, S50016

Plane Polarized, S50016