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Summary of Work and Results

 

The Jampang KP application is considered to be highly prospective for "epithermal" (in the broad sense) and related styles of mineralisation. Historically, mining of high grade epithermal quartz and base metal veins was carried out by the Dutch and PT Aneka Tambang and is still continued by local villagers throughout West Java and in similar geological setting elsewhere in Indonesia. Examples of these styles of mineralisation in West Java include Gunung Ponkor, Cikatomas, Cikotok and Gunung Subang/Cariu. The generally inferred source of this mineralisation has been Miocene age intrusives of andesitic and dacitic composition. Previous work undertaken by both PT Aneka Tambang and the Directorate of Mineral Resources has defined numerous areas of potential gold and base metal mineralisation within the KP application area. The presence of mineralisation is confirmed by the activity of local inhabitants, who are in places working highgrade vein systems.