 | | Journal (article/letter/editorial) | | Epithermal Au-Ag Deposit, Gosowong Goldfield, Halmahera Island, Indonesia Lindsey V. Clark* and J. Bruce...situated in the Neogene magmatic arc of Halmahera, eastern Indonesia, has an estimated resource of 4.4 million...of the Gosowong Goldfield, is the third and most recently discovered deposit in the Gosowong Goldfield...Goldfield, after the Gosowong and Toguraci deposits. The Gosowong Goldfield is on the eastern side of the northwest...northwest arm of Halmahera, which is composed of four superimposed volcanic arcs. Epithermal mineralization |  | | Journal (article/letter/editorial) | | Alteration Associated with the Gosowong Epithermal Au-Ag Deposit, Halmahera, Indonesia: Mineralogy, Geochemistry...Abstract The Gosowong epithermal Au-Ag deposit, located on Halmahera Island, eastern Indonesia, has a resource...shoots along a 400-m section of the north-striking, east-dipping Gosowong fault. Alteration is zoned around...propylitic alteration. Prior to the onset of the Gosowong deposit hydrothermal system the host rocks in...assemblage. As hydrothermal fluids progressed up the Gosowong fault, vein-related propylitic (epidote, Fe chlorite |
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