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GEOCHRONOLOGIC DATA [1 record]

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Record 1 2004-05-19

English

Subject field(s)
  • Geology
  • Chronology
CONT

In the light of the available geochronological data, it appears that a pitchblende U-Pb age of about 1420 Ma can be correlated with emplacement of the sheet of Western Channel Diabase and with formation of magnetite-apatite veins and pods.

CONT

Geochronologic data indicate that Lake Superior type iron-formations were deposited over several hundred million years ...

French

Domaine(s)
  • Géologie
  • Chronologie

Spanish

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