Sample
Number F231-3724
NumberF231-3724
Locality
Uhtna F-231 borehole
CountryEstonia
Coordinates59.337618, 26.770781
Elevation74.30
Depth453.1
Depth / thickness (m)435
Depth to435
Stratigraphy
Proterozoic
Date collected1960-1990
Sample purposegeochemistry and petrophysics
Rockbiotite gneiss (GNBIM3)
MaterialBiotite gneiss
OwnerEesti Geoloogiateenistus (EGT)
InstitutionGeological Survey of Estonia
Date added2022-11-29
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