BGS mineralogy and petrology collection record

Sample number S29827; S29827/A;
Sample Donor Tonks, L.H.
Rock name Not entered
Stratigraphy Not entered
Comments 10 ft acid dyke in Moine schist
Locality details Stream 1250 yds N 30 deg W of bridge across Black Water at Acharn
50k map sheet Tobermory (52)

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Map reference NM 6963 5144
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


S29827

Cross Polarized, S29827

Plane Polarized, S29827

Plane Polarized, S29827


S29827/A

Cross Polarized, S29827/A

Plane Polarized, S29827/A

Plane Polarized, S29827/A