Mapping of gold mineralization using 3D inversion magnetic data at Zone X, West Java

Abstract

Gold mineralization occurs when the hydrothermal fluid rise beneath the earth's surface. Tectonic activity causes gold mineralization in several depositional environments, one of which is a low epithermal sulfide deposite. This type of deposite is characterized by low temperatures and controlled by many geological structures. The discovery of veins in geological mapping in Zone X needs to be supported by geophysical exploration to identify the distribution of gold mineralized zones. This study aims to identify zones of gold mineralization based on magnetic data. From the results of the study obtained the susceptibility parameters of the 3D inversion process of magnetic data. The results are verified by map of gravity anomalies and geological structures. So that there are 2 interesting blocks which are interpreted as zones of gold mineralization in the southeast-northwest orientation and the depth of the dominant magnetic body at 900 masl to 20 masl.