BGS mineralogy and petrology collection record

Sample number S9327
Sample Donor Clough, C.T.
Rock name 'Original entry: Altered Fine-Grained Sediment'
Stratigraphy Not entered
Comments Microcrystalline colourless aggregate of quartz or quartz and feldspar, with biotite and ?epidote
Locality details Coast 1200 yds SE of Castle Dounan
50k map sheet Glenelg (71)

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Map reference NG 887 250
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


S9327

Cross Polarized, S9327

Plane Polarized, S9327

Plane Polarized, S9327