The 2405 Ma and 2310 Ma Mafic Dyke Swarms in the Karelian Craton: Age, Chemical and Sr-Nd Isotope Composition, and Tectonic Setting  

作　　者：Stepanova A.V. Salnikova E.B. Samsonov A.V. Larionova Yu.O. Egorova S.V. Stepanov V.S. 

机构地区：[1]IG Kar RC RAS [2]IPGG RAS [3]IGEM RAS

出　　处：《Acta Geologica Sinica(English Edition)》2016年第S1期123-,共1页地质学报（英文版）

摘　　要：Until recently the time period 2400-2200 Ma in the Erath history was characterized by low amount of age data for igneous events,and was even considered as‘magmatic age gap’(Condie et al,2009;Eriksson and Condie,2014).

关 键 词：ND SR and Tectonic Setting Age 

分 类 号：P597.3[天文地球—地球化学] P542[天文地球—地质学]