BGS mineralogy and petrology collection record

Sample number S47400; COLLNOXH328;
Sample Donor Tulloch,W.
Rock name 'Original entry: Decomposed Lamprophyre (?Hornblende)'
Stratigraphy Not entered
Comments Decomposed lamprophyre (?hornblende), dyke, trend N-S, cuts Silurian, LORS dyke
Locality details Fiddleton Sike, 275 yards upstream from Ewes Water
50k map sheet Langholm (11)

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Map reference NY 384 950
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


S47400

Cross Polarized, S47400

Plane Polarized, S47400

Plane Polarized, S47400