BGS mineralogy and petrology collection record

Sample number S17924
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Sgulan dolerite ring dyke, near contact with felsite intrusion; Sgulan type, Memoir, p. 318
Locality details 750 yds SW of Sgulan Mor
50k map sheet Mull (44)

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Map reference NM 6119 3160
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


S17924

Cross Polarized, S17924

Plane Polarized, S17924

Plane Polarized, S17924