Mount Pulosari is a stratovolcano in Pandeglang Regency, Banten, in West Java Indonesia. There are active solfataras on its 300-metre deep caldera wall. Pulosari is included on the list of 116 Indonesian Holocene age volcanoes. It has been identified as a volcano in a fumarolic state with no known eruptions. Basalt, andesite, and pyroxene have all been id…Mount Pulosari is a stratovolcano in Pandeglang Regency, Banten, in West Java Indonesia. There are active solfataras on its 300-metre deep caldera wall. Pulosari is included on the list of 116 Indonesian Holocene age volcanoes. It has been identified as a volcano in a fumarolic state with no known eruptions. Basalt, andesite, and pyroxene have all been identified in the petrology of the mountain.