记载了早中生代壳幔演化的赤峰-凌源地质走廊

Translated title of the contribution: The geological corridor recording the Early Mesozoic crust-mantle evolution from Chifeng to Lingyuan

Ji An Shao*, Jin Hui Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

This paper presents a suit of igneous rocks in the SN-trending geological section with a length of about 200km from Chifeng (Inner Mongolia) to Lingyuan (western Liaoning Province) , to explore the Early Mesozoic geological evolution of the northern margin of North China Craton. The Early Mesozoic (237 ∼206Ma) igneous rocks occur as dyke swarm, diorite, alkali granite, alkali complex, mafic granulite, cumulate and its mantle enclaves that were derived from distinct depths. It is concluded that the lithospheric mantle beneath North China initially strongly interacted with and enriched by crustal materials and that magma underplating induced rapid differential uplift and denudation of continental crust, associated with accretion of the Mesozoic crust and adjustment of the lithospheric structure.

Translated title of the contributionThe geological corridor recording the Early Mesozoic crust-mantle evolution from Chifeng to Lingyuan
Original languageChinese
Pages (from-to)3525-3534
Number of pages10
JournalActa Petrologica Sinica
Volume27
Issue number12
Publication statusPublished - 2011
Externally publishedYes

Bibliographical note

Also titled: jì zǎi liǎo zǎo zhōng shēng dài ké màn yǎn huà de chì fēng líng yuán dì zhì zǒu láng

Keywords

  • Crust-mantle interaction
  • Early Mesozoic
  • Enriched mantle
  • Underplating

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