BGS mineralogy and petrology collection record

Sample number S14136
Sample Donor Bloodworth, A.J
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz-porphyry, 9 ft sill in granite; Pre-Tertiary Mem, p. 54
Locality details Coast 1600 ft SSW of Fionphort Pier
50k map sheet Iona (43)

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Map reference NM 2981 2296
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


S14136

Cross Polarized, S14136

Plane Polarized, S14136

Plane Polarized, S14136