Jailolo is a Holocene stratovolcano with no historic eruptions.


Mt. Jailolo on Halmahera looking to the west. May 2000 -

Photograph \by Dan Olberg, Senior Geologist, PT Nusa Halmahera Minerals.

Mt. Jailolo in foreground, looking south across the strait to (from right to left) Hiri, Gamalama (Ternate), and Tidore. 

May 2000 - Photograph copyrighted and provided by Bruce Gemmell, University of Tasmania. 

Sources of Information:

Carlile, J.C., Davey, G.R., Kadir, I., Langmead, R.P., and Rafferty, W.J., 1998, Discovery and exploration of the Gosowong epithermal gold deposit, Halmahera, Indonesia: Journal of Geochemical Exploration, v. 60, p. 207-227.

Kusumadinata, K., 1977, Data on the Dukono volcano; Berita Direktorat Geologi, v. 9, no. 16, p. 183.

McClelland, L., Simkin, T., Summers, M., Nielsen, E., and Stein, T.C., 1989, Global Volcanism 1975-1985: Englewood Cliffs, New Jersey, Prentice Hall, 655 p.

Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.


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Halmahera Arc Volcanoes