Discovery of the Hailin impact crater in northeast China  

作　　者：Feng Yin Ming Chen Wenge Yang Ho-kwang Mao 

机构地区：[1]Center for High Pressure Science and Technology Advanced Research,Shanghai 201203,China [2]Department of Geology,Hunan University of Science and Technology,Xiangtan 411201,China [3]Shanghai Key Laboratory of MFree,Shanghai Advanced Research in Physical Sciences,Shanghai 201203,China

出　　处：《Matter and Radiation at Extremes》2025年第1期1-5,共5页极端条件下的物质与辐射(英文)

基　　金：financial support from the Shanghai Key Laboratory Novel Extreme Condition Materials,China(Grant No.22dz2260800);the Shanghai Science and Technology Committee,China(Grant No.22JC1410300)。

摘　　要：A uniquely shaped impact structure,the Hailin impact crater,has been discovered in northeast China.The crater was formed on a granodiorite hillside and is an oval depression with asymmetric rim height and a maximum diameter of 1360 m.The bottom of the crater is filled by Quaternary sediments with large amounts of rock fragments underneath.The discovery of quartz planar deformation features in rock clasts on the crater floor provides diagnostic evidence for the impact origin of the structure.The shape of the crater is largely due to the impact having occurred on a ridge terrain.The impact event probably occurred in the late Cenozoic Era.The Hailin impact crater is the fourth confirmed Chinese impact crater.

关 键 词：China NORTHEAST ROCK 

分 类 号：P931[天文地球—自然地理学] P185.83