BGS mineralogy and petrology collection record

Sample number S71485; S71485/A; S71485/B; COLLNOGY 48;
Sample Donor Barnes,R.
Rock name Not entered
Stratigraphy Not entered
Comments Microdiorite, intrusive in ?Silurian greywackes
Locality details Barlockhart Fell
50k map sheet Wigtown (4)

View images in GeoScenic related to 'Wigtown'

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Map reference NX 2021 5683
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


S71485

Cross Polarized, S71485

Plane Polarized, S71485

Plane Polarized, S71485


S71485/A

Cross Polarized, S71485/A

Plane Polarized, S71485/A

Plane Polarized, S71485/A


S71485/B

Cross Polarized, S71485/B

Plane Polarized, S71485/B

Plane Polarized, S71485/B