BGS mineralogy and petrology collection record

Sample number S27468; COLLNOJS161;
Sample Donor Stephens, J.P.
Rock name 'Original entry: Monchiquite'
Stratigraphy Not entered
Comments Dyke; width 2-3 ft, trend 18 deg; see Orkney Mem, p. 130, also p. 187 re S. 27592, as register says that S. 27592 is a duplicate of S. 27468
Locality details W side of Calf of Cava, Cava
50k map sheet Hoy (117)

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Map reference HY 323 005
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


S27468

Cross Polarized, S27468

Plane Polarized, S27468

Plane Polarized, S27468