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Effects of weathering on the UPb ages of zircon from the Morton Gneiss, Minnesota

Earth and Planetary Science Letters

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, ,

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Abstract

Weathering has caused large losses of lead from the zircon in the residual clay derived from the Morton Gneiss of southwestern Minnesota, drastically reducing the 206Pb/238U and the 207Pb/235U ages. The 207Pb/206Pb age probably has not been significantly affected. Loss of lead by leaching during weathering has not been adequately considered in explanation of discordant ages of zircon. ?? 1966.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of weathering on the UPb ages of zircon from the Morton Gneiss, Minnesota
Series title:
Earth and Planetary Science Letters
Volume
1
Issue:
6
Year Published:
1966
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
369
Last page:
371
Number of Pages:
3