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Sample
Number F231-3727
NumberF231-3727
LocalityUhtna F-231 borehole
Coordinates59.337618, 26.770781
Elevation74.30
Depth (m)441.3
Depth to441.3
StratigraphyProterozoic
Date collected1960-1990
Sample purposegeochemistry and petrophysics
Rockbiotite gneiss (GNBICS)
MaterialBiotite gneiss
OwnerEesti Geoloogiateenistus (EGT)
InstitutionGeological Survey of Estonia
Date added2022-11-29
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