BGS mineralogy and petrology collection record

Sample number S71486; S71486/A; COLLNOGY 49;
Sample Donor Barnes,R.
Rock name Not entered
Stratigraphy Not entered
Comments Microdiorite with xenolith, intrusive in ?Silurian greywackes
Locality details Barlockhart Fell
50k map sheet Wigtown (4)

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Map reference NX 2033 5681
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


S71486

Cross Polarized, S71486

Plane Polarized, S71486

Plane Polarized, S71486


S71486/A

Cross Polarized, S71486/A

Plane Polarized, S71486/A

Plane Polarized, S71486/A