BGS mineralogy and petrology collection record

Sample number S17840
Sample Donor Richey, James E.
Rock name 'Original entry: Basic Mugearite'
Stratigraphy Not entered
Comments Probably great mugearite sill (iddingsite); Memoir, p. 144
Locality details 750 yds N 30 deg W of 3169 ft summit, Ben More
50k map sheet Mull (44)

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Map reference NM 5214 3386
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


S17840

Cross Polarized, S17840

Plane Polarized, S17840

Plane Polarized, S17840