geologic unit meaning in Chinese

地质单元

Ascertaining the paleocurrent direction of the mesozoic basin and reconstructing the paleogeography ; ( 4 ) . deciding the material components and original structure sequences of the basin provenance , and coupling relationship between the sediments of the basin and geologic units of the provenance ; ( 6 ) . establishing the mesozoic tectonic evolution history of the dabie orogenic belt and discussing the collisional mechanism of the belt
主要研究内容包括：厘定大别山北缘地区中生代地层的年代格架；划分岩相，确立沉积体系；确定中生代盆地古流向，恢复盆地的古地理；确定物源区物质组成、演绎物源区原始构造层序、建立盆地沉积物与物源区地质单元的耦合关系；根据沉积学以及区域地质研究，重塑大别山中生代构造演化历史，探讨大别山造山带的碰撞成因机制。