BGS mineralogy and petrology collection record

Sample number S40228; COLLNOYB379;
Sample Donor Lawrie,T.R.M.
Rock name 'Original entry: Feldspar- And Hornblende-Phyric Porphyrite With Xenoliths Of Microdiorite'
Stratigraphy Not entered
Comments Concordant dyke in Eilde Quartzite, trend N 40 deg E, 18 ft thick. Feldspar- and hornblende-phyric porphyrite with rounded and subangular xenoliths up to 8 in across of microdiorite; cut to show dyke rock and xenolith
Locality details R Spean, N side, 27 yds W of NE end of railway bridge over river
50k map sheet Loch Eil (62)

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Map reference NN 2387 8170
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


S40228

Cross Polarized, S40228

Plane Polarized, S40228

Plane Polarized, S40228