BGS mineralogy and petrology collection record

Sample number S29826; S29826/A;
Sample Donor Tonks, L.H.
Rock name Not entered
Stratigraphy Not entered
Comments 20 ft acid dyke in Moine schist
Locality details Stream 1350 yds N 43.5 deg W of bridge across Black Water at Acharn
50k map sheet Tobermory (52)

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Map reference NM 6933 5139
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


S29826

Cross Polarized, S29826

Plane Polarized, S29826

Plane Polarized, S29826


S29826/A

Cross Polarized, S29826/A

Plane Polarized, S29826/A

Plane Polarized, S29826/A