Geochronology and geochemistry of late Carboniferous-middle Permian I- and A-type granites and gabbro-diorites in the eastern Jiamusi Massif, NE China: Implications for petrogenesis and tectonic setting

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• 作者：Jun-Hui Bi^a ; Wen-Chun Ge^a ; ^{gewenchun@jlu.edu.cn} ; Hao Yang^a ; Zhi-Hui Wang^a ; Wen-Liang Xu^a ; Jin-Hui Yang^b ; De-He Xing^c ; Hui-Jun Chen^c
• 关键词：I- and A-type granite ; Gabbro&ndash ; diorite ; Late Carboniferous&ndash ; middle Permian ; Zircon U&ndash ; Pb ages ; Jiamusi Massif
• 刊名：Lithos
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：266-267
• 期：Complete
• 页码：213-232
• 全文大小：4801 K
• 卷排序：266

文摘

The studied intrusions in the Jiamusi Massif were emplaced at 302–267 Ma. The I- and A-type granites formed by different crustal contributions. The gabbro–diorites were derived from heterogeneous mantle sources. A slab break-off probably existed during the Permian.