The central elevated area is a postimpact morphological landmark in the otherwise flat eroded remnant of the Dhala impact structure, India. Its base is the Bundelkhand granitic complex followed by beds of Dhala and Kaimur Formations. The beds of the Dhala and Kaimur Formation present typical sedimentary textures and structures such as cross‐bedding. The grains are angular, sorting is moderate to poor, and brittle–ductile deformation of the protolith is still preserved in some grains. This reveals a short distance of transport. Detailed microscopy and U‐stage measurements confirm planar deformational features (PDFs) oriented (0001) and {10–13} in few quartz grains. Based on these facts, it is suggested that the quartz with PDFs was shocked, ejected out of the crater, and deposited near the crater cavity. Reworking of the ejecta blanket redeposited these quartz grains to their present location. Relatively few shocked grains in the rocks favor a postimpact fluvial process over impact resurge.

中文翻译：

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震动的证据使人们深入了解了印度达拉撞击结构中中央高架区域的形成

中央高架区域是印度Dhala冲击构造原本平坦侵蚀的残留物，是撞击后的形态地标。它的基础是Bundelkhand花岗岩复合体，其后是Dhala和Kaimur地层。Dhala和Kaimur地层具有典型的沉积质地和结构，例如交叉层理。晶粒呈角状，分选程度中等至较差，某些晶粒仍保留了原石的脆性-延性变形。这表明运输距离很短。详细的显微镜检查和U形台测量证实了在几个石英晶粒中取向为（0001）和{10-13}的平面变形特征（PDF）。基于这些事实，建议带PDF的石英受到冲击，从陨石坑中弹出，并沉积在陨石坑腔附近。喷射毯的重新加工将这些石英颗粒重新沉积到其当前位置。相对而言，相对较少的冲击波，岩石中受冲击的晶粒比冲击波更有利于后冲作用。