Evolution of a Palaeoproterozoic giant magmatic dome in the Finnish Svecofennian; New insights from U-Pb geochronology
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- 作者：Anna K. Kotilainena ; anna.kotilainen@helsinki.fi" class="auth_mail" title="E-mail the corresponding author ; Irmeli Mä ; nttä ; rib ; irmeli.manttari@gtk.fi" class="auth_mail" title="E-mail the corresponding author ; Matti Kurhilac ; matti.kurhila@helsinki.fi" class="auth_mail" title="E-mail the corresponding author ; Pentti Hö ; lttä ; b ; pentti.holtta@gtk.fi" class="auth_mail" title="E-mail the corresponding author ; O. Tapani Rä ; mö ; a ; tapani.ramo@helsinki.fi" class="auth_mail" title="E-mail the corresponding author
- 关键词：U&ndash ; Pb geochronology ; Anatexis ; Granitoid ; Svecofennian ; Finland
- 刊名：Precambrian Research
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：272
- 期：Complete
- 页码：39-56
- 全文大小：8377 K
文摘
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The Vaasa complex implies rapid magma generation and emplacement at 1.88–1.87 Ga.
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The maximum sedimentation age of the source of the Vaasa complex is 1.92 Ga.
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The age distribution of inherited zircon favours an in situ origin for the Vaasa granitoid batholith.
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Zircon ages vary from young to old from granite core to margin.