BGS mineralogy and petrology collection record

Sample number S18493
Sample Donor Tait,D.
Rock name 'Original entry: Brecciated Anorthite Rock'
Stratigraphy Not entered
Comments Sapphire-bearing sill; Memoir, pp. 273, 275, 277 & Fig 46B; QJGS, Vol 78, 1922, Plate X, Fig. 6; with more beautiful spinels and large pinitised cordierites
Locality details Streamlet on N side of plantation, 0.125 mile N of Feorlin Cottage, Carsaig
50k map sheet Mull (44)

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Map reference NM 5342 2220
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


S18493

Cross Polarized, S18493

Plane Polarized, S18493

Plane Polarized, S18493