Number F255-4492
NumberF255-4492
LocalityAssamalla F-255 borehole
Coordinates59.230126, 26.281006
Elevation120.70
Depth408
Depth / thickness (m)342.3
Depth to342.3
StratigraphyProterozoic
Date collected1960-1990
Sample purposegeochemistry and petrophysics
Rockcharnockite (GRCEMF)
MaterialCharnockitic granite
OwnerEesti Geoloogiateenistus (EGT)
InstitutionGeological Survey of Estonia
Date added2022-11-29
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