BGS mineralogy and petrology collection record

Sample number S71480
Sample Donor Highton,A.J.
Rock name 'Original entry: Microdiorite'
Stratigraphy Not entered
Comments Microdiorite, intermediate, contact between mafic margin and feldspathic centre; Caledonian
Locality details Quoich Dam spillway
50k map sheet Loch Eil (62)

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Map reference NH 071 024
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


S71480

Cross Polarized, S71480

Plane Polarized, S71480

Plane Polarized, S71480