• Article •
GENG Yuan-sheng1, YANG Chong-hui1, SONG Biao1 2, WAN Yu-sheng1 2
Major trace element characteristics and zircon U-Pb SHRIMP dating of the Luyashan augite-monzonites and Yunzhongshan granites in Luliang area, Shanxi Province indicate that the Luyashan augitemonzonites and Yunzhongshan granites belong to the post-orogenic granite．Zircon grains from the Luyashan augite-diorite yield a SHRIMP U-Pb age of 1 794±13 Ma and zircon grains from the Yunzhong-shan granite a SHRIMP age of 1 801±llMa. Determination of post-orogenic granites at ca．1 800 Ma provides direct evidence for constraints on the ending time of the orogeny at the end of Paleoproterozoie．
GENG Yuan-sheng1, YANG Chong-hui1, SONG Biao1 2, WAN Yu-sheng1 2. Post-Orogenic Granites with an Age of 1800Ma in Luliang Area, North China Craton: Constraints from Isotopic Geochronology and Geochemistry[J]. J4.
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