EM1 signature from within the post-Archean subcontinental lithospheric mantle: isotopic evidence from the potassic volcanic rocks in NE China
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- Zhang Ming
- Department of Geology, Imperial College, University of London
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- Menzies Martin A.
- Department of Geology, RHBNC, University of London
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- Suddaby Paul
- Department of Geology, Imperial College, University of London
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- Thirlwall Matthew F.
- Department of Geology, RHBNC, University of London
書誌事項
- タイトル別名
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- EM1 signature from within the post-Archaean subcontinental lithospheric mantle: Isotopic evidence from the potassic volcanic rocks in NE China.
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説明
Combined geological and geochemical evidence suggests that the age of the basement through which the Wudalianchi, Erkeshan, and Keluo (WEK) volcanic rocks in NE China were erupted is post-Archaean. Sr, Nd, and Pb isotope analyses demonstrate that the Miocene to Recent WEK potassic volcanic rocks were derived from an enriched mantle source which had been metasomatised during the Proterozoic. The primary potassic magmas are the products of partial melting of either this enriched mantle source or, more probably, a mixture of this enriched source with an OIB source. In either case, a post-Archaean subcontinental lithospheric mantle with an EM1 signature has made a significant contribution to the WEK potassic rocks.
収録刊行物
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- ＧＥＯＣＨＥＭＩＣＡＬ ＪＯＵＲＮＡＬ
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ＧＥＯＣＨＥＭＩＣＡＬ ＪＯＵＲＮＡＬ 25 (5), 387-398, 1991
一般社団法人日本地球化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204550481920
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- NII論文ID
- 130003743245
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- COI
- 1:CAS:528:DyaK2cXhvFKgu7o%3D
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- ISSN
- 18805973
- 00167002
- http://id.crossref.org/issn/00167002
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 使用不可