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Zircon ages of felsic volcanic rocks in the upper Precambrian of the Blue Ridge, Appalachian mountains

Science

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Abstract

Five zircon samples from Pennsylvania, Virginia, and North Carolina yield discordant uranium-lead ages which suggest an original age of 820 million years and an episodic lead loss at 240 million years. The indicated age of lead loss is interpreted as the age of movement of the Blue Ridge thrust sheet.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Zircon ages of felsic volcanic rocks in the upper Precambrian of the Blue Ridge, Appalachian mountains
Series title:
Science
Volume
166
Issue:
3906
Year Published:
1969
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
741
Last page:
744
Number of Pages:
4