U-Pb SHRIMP detrital zircon ages from the Neoproterozoic Difunta Correa Metasedimentary Sequence (Western Sierras Pampeanas, Argentina): Provenance and paleogeographic implications

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• 作者：Carlos D. Ramacciotti^a ; ^{cramacciotti@efn.uncor.edu" class="auth_mail" title="E-mail the corresponding author} ; Edgardo G. Baldo^a ; Cé ; sar Casquet^b
• 关键词：Neoproterozoic sedimentary rocks ; Western Sierras Pampeanas ; U&ndash ; Pb SHRIMP detrital zircon ages ; MARA craton ; Laurentian paleogeography
• 刊名：Precambrian Research
• 出版年：2015
• 出版时间：November 2015
• 年：2015
• 卷：270
• 期：Complete
• 页码：39-49
• 全文大小：5531 K

文摘

<dl class="listitem" id="list_lis0005"><dt class="label">•dt><dd>

d="par0005">The DCMS is Ediacaran and was laid down on Grenvillian basement of the MARA block.

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d="par0010">The basin was the MARA continental margin of the Puncoviscana/Clymene Ocean.

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d="par0015">Sediments came from the Grenvillian basement and more distal Laurentian sources.

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d="par0020">MARA was attached to Laurentia until the Iapetus ocean opening in the early Cambrian.

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d="par0025">The DCMS accreted to Gondwana prior to the Famatinian Orogeny.

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