Sample
Number F1-522
NumberF1-522
LocalityJõhvi F-1 borehole
Coordinates59.379354, 27.501567
Elevation41.10
Depth443
Depth / thickness (m)257
Depth to257
StratigraphyProterozoic
Date collected1968
Sample purposegeochemistry
Rockmagnetite quartzite
Materialmagnetite quartzite
OwnerEesti Geoloogiateenistus (EGT)
InstitutionGeological Survey of Estonia
Date added2022-11-29
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