BGS mineralogy and petrology collection record

Sample number S15767
Sample Donor Richey, James E.
Rock name 'Original entry: Andesitic Pitchstone'
Stratigraphy Not entered
Comments Multiple NW dyke: 2 ft 9 in wide acid part of outer component
Locality details Speinne Beag
50k map sheet Tobermory (52)

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Map reference NM 5138 4799
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


S15767

Cross Polarized, S15767

Plane Polarized, S15767

Plane Polarized, S15767