BGS mineralogy and petrology collection record

Sample number S40424; S40424/A; S40424/B; COLLNOXT11;
Sample Donor McCall, J.
Rock name 'Original entry: Lamproschist'
Stratigraphy Not entered
Comments Foliated lamprophyre. Irregular intrusive body cutting permeation granite gneiss (Moine pelitic host), and cut by felsic porphyrite (S. 40423). Summ Prog 1954, pp. 59-60. Summ Prog 1955, pp. 61-62
Locality details Allt an Fhaing, 1100 yds S 34 deg W of Callop
50k map sheet Loch Eil (62)

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Map reference NM 9199 7806
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


S40424

Cross Polarized, S40424

Plane Polarized, S40424

Plane Polarized, S40424


S40424/A

Cross Polarized, S40424/A

Plane Polarized, S40424/A

Plane Polarized, S40424/A


S40424/B

Cross Polarized, S40424/B

Plane Polarized, S40424/B

Plane Polarized, S40424/B