The pre-Atlantic Hf isotope evolution of the east Laurentian continental margin: Insights from zircon in basement rocks and glacial tillites from northern New Jersey and southeastern New York

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• 作者：N. Alex Zirakparvar^a ; ^{nzirakparvar@amnh.org} ; Jacob Setera^b ; Edmond Mathez^a ; Jill Vantongeren^b ; Ryanna Fossum^c
• 关键词：Zircon ; U&ndash ; Pb geochronology ; Hf isotopes ; Crustal evolution ; Laurentian margin
• 刊名：Lithos
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：272-273
• 期：Complete
• 页码：69-83
• 全文大小：3945 K
• 卷排序：272

文摘

Zircon U–Pb age and Hf data from the Laurentian margin Data is for glacial tillites and basement rocks in New York and New Jersey. Basement rocks include Late Ordovician aged magmas and Mesoproterozoic arc crust. Together, the data reveals crust building processes along the Laurentian margin.