BGS mineralogy and petrology collection record

Sample number S21851
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro'
Stratigraphy Not entered
Comments Feldspathic eucrite, probably a marginal facies; Memoir, p. 311
Locality details 130 yds S of summit of Meall an Tarmachain
50k map sheet Tobermory (52)

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Map reference NM 4919 6627
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


S21851

Cross Polarized, S21851

Plane Polarized, S21851

Plane Polarized, S21851