BGS mineralogy and petrology collection record

Sample number MR33278
Sample Donor Dearnley,R.
Rock name 'Original entry: Gneissose Pegmatite'
Stratigraphy Not entered
Comments Pre Scorrian minimum age 2300my. Rb-Sr whole rock, but probably in excess of 2600my. (Dearnley and Dunning 1968 QJGS 123 pp353-378)
Locality details Aird a'Mhachair Point, South Uist,
50k map sheet Benbecula ? (79)

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Map reference NJ 741 463
Year collected 1976 
Bore name Not applicable
Confidentiality No restrictions