BGS mineralogy and petrology collection record

Sample number S18693
Sample Donor Bailey, E.B.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Pebble in ORS basement conglomerate; Pre-Tertiary Mem, p. 26
Locality details Shore SW of Dunollie
50k map sheet Mull (44)

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Map reference NM 8526 3134
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


S18693

Cross Polarized, S18693

Plane Polarized, S18693

Plane Polarized, S18693