tectonic setting

THE INDICATION OF CONTINENTAL DETRITAL SEDIMENT TO TECTONIC SETTING A study on detrital minerals in the sediment of the Great Wall Bay

盆地陆源碎屑沉积物对源区构造背景的指示意义长城湾沉积物中碎屑矿物的初步研究

At the Paleo-Mesoproterozoic era, the meta-basic-ultrabasic rocks on eastern Hainan are oceanic low K arc tholeiite with the features of mafic-basaltic komatiite evidently, originated from highly depleted mantle and are formed under the tectonic setting of volcanic arc.

古中元古代时，琼中屯昌变基性-超基性岩，为大洋型火山岛弧低钾拉斑玄武岩，明显具有镁铁质-玄武质科马提岩特征，来源于高度亏损的地幔；

The deposit is located in the middle of Altyn mineralization belt with very complicated tectonic setting.

该矿床位于阿尔金成矿带中段,所处大地构造环境非常复杂.

Consequently, the greenschists in the central Fujian province are considered to be derived from the continental tholeiite formed in a continental rift tectonic setting. Its primary magma is high MgO tholeiite.

因此，绿片岩原岩为大陆拉斑玄武岩，其形成的构造背景为大陆裂谷。原生岩浆是高镁拉斑玄武岩浆。

Continental source rocks, composed mainly of Triassic and Jurassic coal measures and argillaceous rocks, are developed in these foreland thrust fold belts due to the unique tectonic setting and evolution history.

独特的构造背景和演化历史决定了中国中西部前陆冲断褶皱带主要发育以三叠系、侏罗系煤系和泥质岩为主的陆相烃源岩；

Three-class controLing system consists of the regional tectonic setting, regional ore-control faulted structures and subsidiary host fracture structure.

从该区所具有的区域构造环境至区域控矿断裂构造到次级容矿裂隙构造，构成了三级控矿系统。

Reshuizhen of Chifeng; fault structure; the heat source; water origin; geophysical survey; thermal tectonic setting; thermal structure model; resource evaluation;

赤峰热水镇；断裂构造；热源；热水起源；地球物理调查；热构造背景；热结构模型；资源评价；

Based on the analysis of hydrocarbon controlling factors, Shawan hydrocarbon migration patterns are identified combined with local tectonic setting.

在分析油气成藏主控因素基础上，结合该区构造背景，确定了沙湾组油气运移模式。