Petrologic indicators of prograde metamorphism in Paleoproterozoic garnet mafic granulites from the Huai＇an complex, North China Craton  

作　　者：Jialin Wu Mingguo Zhai Huafeng Zhang Jinghui Guo Haozheng Wang Wenqiang Yang Hong Zhang Bo Hu 

机构地区：[1]School of Earth Science and Resources, Chang'an University, Xi'an 710054, China [2]Key Laboratory of Computational Geodynamics, University of Chinese Academy of Sciences, Beijing 100049, China [3]Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China [4]State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an 710069, China [5]School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China [6]School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China

出　　处：《Science Bulletin》2018年第2期81-84,共4页科学通报（英文版）

基　　金：supported by National Natural Science Foundation of China (41702196, 41530208, 41502051 and 41402064);the National Key Research and Development Program of China (2016YFC0601002);Special Fund for Basic Scientific Research of Central Colleges, Chang’an University, China (310827172201)

摘　　要：Reconstruction of pressure-temperature-time(P-T-t)paths and thermal regimes are essential for inferring tectono-metamorphic processes involved in the formation of metamorphic terranes.However,the P-T information,especially the prograde evolution is generally preserved incompletely due to the fast intra-or inter-grains diffusion under high-temperatures.It may resultReconstruction of pressure-temperature-time （P-T-t） paths and thermal regimes are essential for inferring tectono-metamorphic processes involved in the formation of metamorphic terranes. However, the P-T information, especially the prograde evolution is generally preserved incompletely due to the fast intra-or inter-grains diffusion under high-temperatures. It may result in different P-T path styles （e.g., clockwise or counter-clockwise）, consequently leading to variable interpretations on the related petrogenetic processes.

关 键 词：天体 建筑群 石榴石 指示物 岩石学 变态 中国 顺时针 

分 类 号：P534.3[天文地球—古生物学与地层学] P588.3[天文地球—地质学]