BGS mineralogy and petrology collection record

Sample number S14815
Sample Donor Tait,D.
Rock name Not entered
Stratigraphy Not entered
Comments Lava; replacement of the feldspars within the augites by secondary hornblende; Memoir, p. 141
Locality details Roadside quarrry, nearly 0.5 mile W of Knock, between Loch Ba and Loch na Keal
50k map sheet Mull (44)

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Map reference NM 5380 3893
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


S14815

Cross Polarized, S14815

Plane Polarized, S14815

Plane Polarized, S14815