Confirmation of two episodes of A-type granite emplacement during Late Triassic and Early Jurassic in the central Jilin Province, and their constraints on the structural pattern of Eastern Jilin-Heilongjiang Area, China

• 吉林中部晚三叠世和早侏罗世两期铝质A型花岗岩的厘定及对吉黑东部构造格局的制约