Rare earth element characteristics of volcanic rocks from Yixian formation of Western Liaoning

PENG Yan-dong; ZHANG Li-dong; ZHANG Chang-jie; GUO Sheng-zhe; XING De-he; JIA Bin; CHEN Shu-wang; DING Qiu-hong

Northwestern Geology > 2003 > 36(2): 35-42.

PENG Yan-dong, ZHANG Li-dong, ZHANG Chang-jie, et al. Rare earth element characteristics of volcanic rocks from Yixian formation of Western Liaoning[J]. Northwestern Geology, 2003, 36(2): 35-42.

Citation:

PENG Yan-dong, ZHANG Li-dong, ZHANG Chang-jie, et al. Rare earth element characteristics of volcanic rocks from Yixian formation of Western Liaoning[J]. Northwestern Geology, 2003, 36(2): 35-42.

Citation:

PENG Yan-dong, ZHANG Li-dong, ZHANG Chang-jie, et al. Rare earth element characteristics of volcanic rocks from Yixian formation of Western Liaoning[J]. Northwestern Geology, 2003, 36(2): 35-42.

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Rare earth element characteristics of volcanic rocks from Yixian formation of Western Liaoning

1.
Northeast University, Shenyang 110004, China;Shenyang Institute of Geology and Mineral Resources, CGS, Shenyang 110033, China
2.
Shenyang Institute of Geology and Mineral Resources, CGS, Shenyang 110033, China
3.
Jilin University, Changchun 110061, China;Shenyang Institute of Geology and Mineral Resources, CGS, Shenyang 110033, China

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Received Date: March 06, 2003
Revised Date: April 02, 2003
Published Date: June 04, 2003

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Abstract

Volcanic rocks of mesozoic were widely distributed in Western Liaoning province.Yixian volcanic Cycle of early Cretaceous is divided into four subcycles.From early to late, the magma of Yixian volcanic cycle evolved gradually from basic, inter mediate-basic and intermediate to acidic.The ∑REE of volcanic rocks of Yixian volcanic cycle is high and rich in LREE.The spider patterns are the right-incline and there is a slight low Eunegative abnormality and low Ce postive abnormality.REE characteristics show that volcanic rocks of Yixian volcanic cycle were generated in responsing to lithosphere extension in the continent intraplate orogenic belt.The lithogenesis take partial melting as a major part.
- Yixian volcanic cycle,
- volcanic rocks,
- rare earth elements,
- partial melting

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Rare earth element characteristics of volcanic rocks from Yixian formation of Western Liaoning

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