BGS mineralogy and petrology collection record

Sample number S17121
Sample Donor Richey, James E.
Rock name 'Original entry: Xenolith In Tholeiite Groundmass'
Stratigraphy Not entered
Comments From concretion in 6 ft leidleite sheet dipping at 15 deg to SSE; compare with tholeiite of main mass; Memoir, pp. 269, 287
Locality details 1015 yds W 32 deg N of summit of Coirc Bheinn
50k map sheet Mull (44)

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Map reference NM 4798 3330
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


S17121

Cross Polarized, S17121

Plane Polarized, S17121

Plane Polarized, S17121