Plate flexure and volcanism: Late Cenozoic tectonics of the Tabar-Lihir-Tanga-Feni alkalic province, New Ireland Basin, Papua New Guinea
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- 作者：I.D. Lindley david.lindley3@bigpond.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Alkaline volcanism ; Kilinailau Fault ; New Ireland Basin ; New Ireland Microplate ; Plate flexure ; Tectonics
- 刊名：Tectonophysics
- 出版年：2016
- 出版时间：23 May 2016
- 年：2016
- 卷：677-678
- 期：Complete
- 页码：312-323
- 全文大小：2063 K
文摘
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Cenozoic alkaline volcanoes, PNG, sit atop submarine ridges due to plate flexure.
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Alignment of the narrow 250 km long volcanic arc is orthogonal to ridges.
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Linear volcanic arc suggests ascent of alkaline magmas in arc-parallel fractures.
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Volcanism was localized at intersection of arc- and ridge-parallel structures.
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Unique volcano-tectonic history is key to origin of Earth's largest gold deposit.