BGS mineralogy and petrology collection record

Sample number S78418; COLLNOMY691;
Sample Donor Gould,D.
Rock name Not entered
Stratigraphy Not entered
Comments Medium grained light grey diorite with large poikilitic biotites
Locality details Gallows Hill, 500m due S of Clatt Church
50k map sheet Alford (76W)

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Map reference NJ 5388 2548
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


S78418

Cross Polarized, S78418

Plane Polarized, S78418

Plane Polarized, S78418