Geochemistry and geochronology of the igneous suite associated with the Kelian epithermal gold deposit, Indonesia
The Kelian gold deposit, located 250 km west of the provincial capital of Samarinda, East Kalimantan, is Indonesia's principal gold producer. The deposit is an intrusive-related low sulphidation system, situated within the Central Kalimantan Continental Arc, which consists of andesitic to rhyolitic volcanics and intrusives of Miocene age. Hydrothermal activity produced extensive brecciation, porphyry- to epithermal-style alteration and gold and base metals mineralisation. The nature of...[Show more]
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