BGS mineralogy and petrology collection record

Sample number S21380
Sample Donor Simpson,J.B.
Rock name 'Original entry: Diopside, Pale Hornblende, Biotite, Quartz'
Stratigraphy Not entered
Comments 4 ft band in quartz granulite; Memoir, p. 16
Locality details 150 yds W 15 deg S of summit of Ben Feall
50k map sheet Coll (51)

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Map reference NM 1439 5492
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


S21380

Cross Polarized, S21380

Plane Polarized, S21380

Plane Polarized, S21380