Sample | Basalt of Telogo Mendjer |
Andesite of Pangonan |
Andesite of Pakuwodjo |
SiO2 | 51.19 | 55.64 | 62.93 |
Al2O3 | 20.02 | 17.91 | 14.37 |
Fe2O3 | 3.69 | 3.91 | 3.97 |
FeO | 5.24 | 5.13 | 2.78 |
MnO | 0.15 | 0.14 | 0.09 |
MgO | 3.45 | 3.20 | 2.31 |
CaO | 9.75 | 7.16 | 4.38 |
Na2O | 3.38 | 3.65 | 3.16 |
K2O | 1.42 | 2.07 | 3.29 |
H2O+ | 0.64 | 0.62 | 1.33 |
H2O- | 0.30 | 0.45 | 0.51 |
TiO2 | 1.05 | 0.93 | 0.69 |
P2O5 | 0.17 | 0.15 | 0.05 |
Total | 100.45 | 100.24 | 99.86 |
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Sources of Information:
Bemmelen, R.W., van, 1949, Report on the volcanic activity and volcanological research in Indonesia during the peeriod 1936-1948. Bulletin Volcanologique, II, 9, Napoli 1949, p. 23-24.
Delarue, C., 1980, Exploration geothermique dans la region de Dieng (java): Univ. Paris XI, unpubl. Ph.D. thesis, 247 p.
Francis, P., 1994, Volcanoes a planetary perspective: Oxford University Press, New York, 443 p.
Giggenbach, W.F., Sano, Y., and Schmincke, H.U., 1991, CO2-rich gases from Lake Nyos and Monoun, Cameroon; Laacher See, Germany; Dieng Indonesia, and Mt. Gambier, Australia - variation on a common theme: Journal of Volcanology and Geothermal Research, v. 45, p. 311-323.
LeGuern, F., Tazieff, H., and Faivre Pierret, R., 1982, An example of health hazards: people killed by gas during a phreatic eruption: Dieng Plateau, Java, Indonesia, Bulletin of Volcanology, v. 45, p. 153-156.
Miller, C.D., Sukhyar, R., Santoso, and Hamidi, S., 1981, Eruptive history of the Dieng Mountains region, central Java, and potential hazards from future eruptions: U.S. Geol. Survey Open-File Report 83-68, 26 p.
Muffler, L.J.P., 1970, Geothermla potential of the Dieng Mountains, central Java, Indonesia: U.S. Geol. Survey Project rep. (IR) IND-10, 20 p.
Newhall, C.G., and Dzurisin, D., 1988, Historical unrest at large calderas of the world: U.S. Geological Survey Bulletin 1855, v. 2, p. 755-772.
Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.
Neumann van Padang, M., 1951, Indonesia. Catalogue of the Active Volcanoes of the World, International Association of Volcanology, 1, Rome, Italy, p. 271
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