Sample
Number F540-6760
NumberF540-6760
LocalityMaardu F-540 borehole
Coordinates59.480853, 25.084022
Elevation44.00
Depth233.5
Depth / thickness (m)222
Depth to222
StratigraphyProterozoic
Date collected1960-1990
Sample purposegeochemistry and petrophysics
Rockamphibole-biotite gneiss (GNABCT)
Materialamphibole-biotite gneiss
OwnerEesti Geoloogiateenistus (EGT)
InstitutionGeological Survey of Estonia
Date added2022-11-29
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