赣西北地区下二叠统王家铺煤组和上二叠统乐平煤组，形成于陆缘海的湖泊沼泽环境。
The Lower Permian Wangjiapu coal measures and the Upper Permian Leping coal measures in Northwest Jiangxi were formed in lacustrine environment in the epicontinental sea area.
分布于赣西北地区的三叠系嘉陵江组，以往虽未获充分的化石资料，但长期以来把它划归中三叠统。
The Jialingjiang Formation distributed in northwestern Jiangxi has long been assigned to the Middle Triassic though no adequate fossil data have been obtained.
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