Radiometric Age Determination of Silurian Glauconite: GEOLOGIC NOTES

Name: Work Video:
Duration: 3 min 30 s
Description: A radiometric date of 426 m.y. is reported for a glauconite zone at the base of the Niagaran (Silurian) near Hamilton, Ontario. This datum is derived from a potassium-argon determination. It compares favorably with the results of others.
John T. Sanford; R. E. Mosher
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