Genesis of the Songhung goldpolymetallic deposit in the
The strata exposed in the Songhung deposit are the NRMB the Mesoproterozoic Jikhyon and Sadang–u groups the Neoproterozoic Yontan Group and the Early Paleozoic Hwangju Group Fig 2aThe NRMB crops out in the northeastern and eastern parts of the study area and was strongly migmatized and scattered in the NRC and consists of gneiss schist and migmatite in sequence from bottom to top