Geochronology and magmatic evolution of the Dieng Volcanic Complex, Central Java, Indonesia and their relationships to geothermal resources

Harijoko, Agung; Uruma, Ryusuke; Wibowo, Haryo Edi; Setijadji, Lucas Donny; Imai, Atsushi; Yonezu, Kotaro; Watanabe, Kenji

doi:10.1016/j.jvolgeores.2015.12.010

Cited by 21 publications

(18 citation statements)

References 14 publications

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“…The major structures elongate east-west, parallel to the strike of subduction, forming the E-Wtrending thrust faults of Kendeng-Barabis. Under this stress regime, major strike-slip faults that trend NE-SW and NW-SE were developed (van Bemmelen, 1949;Hamilton, 1979;Simanjuntak and Barber, 1996;Harijoko et al, 2016). The distance between active volcanoes is relatively close, similar to the nearby Merapi-Merbabu-Telomoyo-Ungaran active volcano row, which is also oriented northwest-southeast.…”

Section: Geomorphologymentioning

confidence: 99%

Geological spatial plan toward groundwater resources in Kertek, Wonosobo Basin, Central Java, Indonesia

Daryono

Wijayaningsih

Hendratno

et al. 2019

J.Degrade.Min.Land Manage.

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Human activity affects both natural resources and spatial land use, including its utilization as sand mining sites. Sand mines, as a pillar of building construction, have been over excavated in certain areas, which has impacted the environment. In this research, the purpose of this study was to determine a spatial allocation of the mining designation area that will not damage the groundwater flow. Therefore, it is imperative for understanding the depth of groundwater at the study site, understanding the direction of groundwater flow, and the impact of mining activities on groundwater based on the combination of geophysical and geological approaches to improve the current government policy. A geologicalgeophysics approach, vertical electrical sounding (VES), was followed at 12 different locations surrounding the Kertek District, which has a general geological formation of igneous volcanic rock sediment. The result of the geophysical measurements (possibilities) indicates the presence of shallow, medium, and deep groundwater aquifers, which tended to follow the slope direction to the south. This may be due to the unsaturated soil conditions as the geoelectrical measurements were taken at the beginning of the rainy season. Finally, the goals of this research were to integrate resources with spatial characteristics to allow proper resources management.

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Section: Geomorphologymentioning

confidence: 99%

Geological spatial plan toward groundwater resources in Kertek, Wonosobo Basin, Central Java, Indonesia

Daryono

Wijayaningsih

Hendratno

et al. 2019

J.Degrade.Min.Land Manage.

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“…The Dieng volcanic complex (DVC) is a Quaternary volcano in Central Java, Indonesia (Fig. 1a) (Harijoko et al 2016). Its caldera structure has a circular depression which extend from the northern to the eastern side of the DVC (Gunung Prau, Fig.…”

Section: Dieng Volcanic Complex (Dvc)mentioning

confidence: 99%

“…Post-caldera volcanism is known to reflect active magmatic conditions after the collapse of a volcanic edifice (Sigurdsson, 2000). Such processes might occur through (1) centralized vents (e.g., Sakurajima in the Aira caldera, Barujari in the Samalas caldera, and Batur in the Batur caldera; Araya et al, 2019;Rachmat et al, 2016;Reubi and Nicholls, 2004) and/or (2) random-scattered vents in the inner and rim of a caldera (e.g., Aniakchak, Dieng, and Ijen volcanic complexes; Browne et al, 2022;Harijoko et al, 2016;Suhendro, 2016). In the first type, predicting future eruptions may be relatively easy because the magma extrusion takes place from centralized vent(s) (Araya et al 2019;Rachmat et al 2016;Rubin' et al 1989).…”

Section: Introductionmentioning

confidence: 99%

Rock characteristics of post-caldera volcanoes in Dieng volcanic complex (DVC), Central Java, Indonesia

Suhendro

Isnain

Wahyudi

2022

J. Geoscience Eng. Environ. Technol.

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The Dieng volcanic complex (DVC) has one of the densest post-caldera volcanisms activity presents in Indonesia, yet its population density is considerably high. Therefore, it is important to identify the rock characteristics produced by the DVC post-caldera volcanoes to understand the risks and future hazards (i.e., eruption style). Based on lithology, we have classified DVC post-caldera volcanoes as (1) pyroclastic domain (PD; including Pagerkandang, Merdada, and Pangonan), and (2) lava domain (LD; including Prambanan, Kendil, Pakuwaja, Sikunir, Sikarim, and Seroja). PD is characterized by the domination of pyroclastic materials (mostly ash and lapilli) with oxidized scoria and volcanic lithics (fresh and/or altered) as the main components. The oxidized scoria clasts are moderately vesicular (27–41 % vesicularity; ) and phenocryst poor (<5 % phenocryst crystallinity, ), with plagioclase, pyroxene, and oxides as the main phenocryst phases. The LD is composed predominantly of lava. The observed lavas are typically dense (mostly <1 % , phenocryst rich (21–47 % ), and include plagioclase, pyroxene, biotite, amphibole, and oxides as the main phenocryst phases. Such differences in mineralogy and textures (i.e., vesicularity and crystallinity) suggest that PD and LD were likely sourced from different magmatic sources with different eruption styles (explosive and effusive styles, respectively). We have suggested that civilization settlements near PD are facing major threats from explosive magmatic, phreatomagmatic, and phreatic eruptions that could produce significant fallouts, ballistic materials, and highly destructive pyroclastic density currents. LDs pose a threat in the form of effusive magmatic eruptions such as lava flows and/or domes.

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“…Mount Bisma located in Dieng Plateau, Wonosobo, Central Java with a peak reached 2,365 masl, is a volcano, but the volcanic activity is decreased and leaving a wide caldera (Nurpratama et al 2015). Recently, Mount Bisma is known to be located outside the potential geothermal energy sectors (Harijoko et al 2016). Mount Bisma was not open for tourist attraction until 2019, thus the mountain has preserved the ecosystem of mountainous region biodiversity.…”

Section: Introductionmentioning

confidence: 99%

Diversity, Abundance, and Traditional Uses of Asteraceae Species in Mount Bisma, Dieng Plateau, Kejajar, Wonosobo, Central Java

Kurniawan

Purnomo

Kasiamdari

2022

J.Tropical Biodiversity Biotechnology

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Asteraceae is the largest and most diverse family of flowering plants which contains more than 20,000 species distributed in nearly all types of habitats all over the world. In mountainous regions such as Mount Bisma, it is estimated to have plenty and diverse member of the Asteraceae family, and used in the local community for various uses. This research aimed to understand the diversity, abundance, and uses of Asteraceae members that are found wild in Mount Bisma. Taxonomy and ecological data were gathered using an exploration method and purposive sampling method, from the point, a plot measured 3x3 m2 was created to estimate the vegetation parameters in the mountain top and mountain valley area. Ethnobotanical data were gathered in Sikunang Village, a nearby village of Mount Bisma using a semi-structured interview and open-ended questions. Data were analysed descriptively and quantitatively using several indices such as Importance Value Index (IVI), Index of Cultural Significance (ICS), and index of Use Value (UV). The result showed that there were 18 species from two subfamilies that grew wild in both mountain top and valley of Mount Bisma. The highest importance value belonged to Ageratina riparia, which was scored in the mountain top and valley 71.00 and 91.53, respectively. Uses of Asteraceae in Sikunang were varies, ranging from being a side dish, medicine, firewood, souvenir, and other uses. Galinsoga parviflora and Galinsoga quadriradiata showed the highest ICS value of 41, whereas Austroeupatorium inulifolium scored the highest in UV of 1.8. The study presented high number of Asteraceae diversity and use. Thus, implies that Mount Bisma has vast unexplored biodiversity and locals around Mount Bisma have rich traditional knowledge.

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Geochronology and magmatic evolution of the Dieng Volcanic Complex, Central Java, Indonesia and their relationships to geothermal resources

Cited by 21 publications

References 14 publications

Geological spatial plan toward groundwater resources in Kertek, Wonosobo Basin, Central Java, Indonesia

Geological spatial plan toward groundwater resources in Kertek, Wonosobo Basin, Central Java, Indonesia

Rock characteristics of post-caldera volcanoes in Dieng volcanic complex (DVC), Central Java, Indonesia

Diversity, Abundance, and Traditional Uses of Asteraceae Species in Mount Bisma, Dieng Plateau, Kejajar, Wonosobo, Central Java

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