Cambrian intermediate-mafic magmatism along the Laurentian margin: Evidence for flood basalt volcanism from well cuttings in the Southern Oklahoma Aulacogen (U.S.A.)
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- 作者：Matthew E. Bruesekea ; brueseke@ksu.edu" class="auth_mail" title="E-mail the corresponding author ; Jasper M. Hobbsa ; Casey L. Bulena ; Stanley A. Mertzmanb ; Robert E. Puckettc ; J. Douglas Walkerd ; Josh Feldmand
- 关键词：Basalt ; Large igneous province ; Rifting ; Iapetus ; Southern Oklahoma Aulocogen ; Cambrian
- 刊名：Lithos
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：260
- 期：Complete
- 页码：164-177
- 全文大小：2858 K
文摘
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Thick packages of Cambrian subalkaline, tholeiitic basalt and andesite lavas erupted in Oklahoma (U.S.A.).
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Bulk major, trace, and Sr-Nd isotope data consistent with flood basalt volcanism during a rifting event.
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Gabbros in the Wichita Mountains (U.S.A.) and dikes in the Arbuckle Mountains region are part of the same magmatic event.
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Data confirms the presence of an additional flood basalt province in North America.