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East_Charkayu-1
3
East_Kharyaga-26
3
GEOS
3
Geological sample
3
Mala_Pera-11
3
Mytnyi_Materik-2
Novaya-1
3
Palyu-21
3
Polar Urals
3
South_Charkayu-10
3
Veyak-2
3
Age
2
Event label
2
Number
2
Sample ID
2
dated
2
dated standard deviation
2
-
1
206Pb/207Pb Lead-Lead
1
DRILL
1
Depth
1
Drilling/drill rig
1
Grains
1
Lead-206/Lead-204 ratio
1
Lead-207/Lead-206
1
Lead-207/Lead-206 ratio
1
NE Baltic
1
Pechora area
1
Rock type
1
Sample code/label
1
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