BGS mineralogy and petrology collection record

Sample number MR26291
Sample Donor Not entered
Rock name Microgranite, Aplitic. 'Original entry: Aplite'
Stratigraphy Not entered
Comments aplite, auriferous acidic older series,Commodity:gold,Collected by J B Harrison:L17
Locality details 444ft depth in borehole, Omai Goldfield, Essequibo River, British Guiana,borehole,SG = 2.73,Guyana
50k map sheet Not entered
Map reference 2:55,58:50
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions