Geochemical Characteristics of Volcanic Rocks from Mt. Masurai's Caldera, Jambi, Indonesia

Mt. Masurai is one of the volcanoes in Jambi, Indonesia. However, the literature about Mt. Masurai is quite limited until now. Study of the volcano is important as early detection of natural disasters, such as volcano eruption and earthquake. Through comprehensive research, the eruption period of th...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-04, Vol.1204 (1), p.12070
Main Authors: Rohiman, Asep, Prijanto, Dipowiguno, Prabowo, Arief, Ratdomopurbo, Antonius, Setiawan, Ruly, Effendi, Mutiara, Wahyudi, Eko
Format: Article
Language:English
Subjects:
Andesite
Basalt
Charcoal
Data analysis
Geochemistry
major elements
Mt. Masurai's Caldera
Natural disasters
Rare earth elements
Rhyolite
Rocks
trace elements
Volcanic activity
Volcanic eruptions
Volcanoes
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Summary:Mt. Masurai is one of the volcanoes in Jambi, Indonesia. However, the literature about Mt. Masurai is quite limited until now. Study of the volcano is important as early detection of natural disasters, such as volcano eruption and earthquake. Through comprehensive research, the eruption period of the volcanoes can be predicted and maximum precaution can be planned to minimize disaster victims. In this work, we reported the studies of geochemical Mt. Masurai's rocks. A total of 120 rock samples were characterized using XRF ARL 9900 for the major elements while the trace and rare earth elements were characterized using ICP-MS. In addition, paleosol and charcoal samples were dated using 14-carbon dating instruments. Based on the results of data analysis, the types of rocks according to geochemical classification are basalt, basaltic-andesite, andesite, dacite, and rhyolite. The rocks spread from south to north of the Mt. Masurai's Caldera. The age of the Mt. Masurai's north rocks is 32,786 calBP while the age of the Mt. Masurai's southern rocks is 21,335 calBP. Mt. Masurai has undergone two eruption periods until now.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1204/1/012070