BGS mineralogy and petrology collection record

Sample number S21378
Sample Donor Simpson,J.B.
Rock name 'Original entry: Calcified Dark Orthogneiss, Altered; Diopside, Pale Hornblende, Iron Ore, K Feld'
Stratigraphy Not entered
Comments Calcareous band in quartz granulite; Memoir, p. 16
Locality details Near E shore of Feall Bay, 300 yds W 10 deg S of summit of Ben Feall
50k map sheet Coll (51)

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Map reference NM 1427 5490
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


S21378

Cross Polarized, S21378

Plane Polarized, S21378

Plane Polarized, S21378