金沙江变质杂岩的岩石学特征及其地质意义 - 中南大学学报（自然科学版、英文版） 关键字: 变质杂岩; 细碧岩; 河口群[gap=774]Key words: metamorphic complex; spilite; Hekou Group
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甘肃永靖盐锅峡下白垩统河口群盐锅峡组发现大量恐龙足迹化石。
There are a lot of dinosaur footprints in the Early Cretaceous from Yanguoxia, Yongjing County, Gansu Province.
对河口群的深入研究，有助于深化认识扬子地台西缘基底结构的特点及演化过程。
Advanced study of Hekou Group would have important implications for understanding of the feature and evolution of the basement structure of Western Margin of Yangtze Terrane.
其早期破裂阶段以碱性的基性岩浆活动为特征，以大红山群、河口群中的火山岩为代表。
The early stage of crust rupture was characterized by alkaline mafic igneous activities in the Dahongshan Group and Hekou Group.
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