GEOLOGY AND GEOTHERMAL MANIFESTATIONS OF MOUNT PANDAN, EAST JAVA

THOHA, MUHAMMAD and PARMAN, PAMLI and Prastistho, Bambang and YUDIANTORO, DWI .FITRI. and JAGRANATA, ida Bagus and HATI, PERMATA (2014) GEOLOGY AND GEOTHERMAL MANIFESTATIONS OF MOUNT PANDAN, EAST JAVA. JURNAL GEOLOGI INDONESIA. pp. 1-13.

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Abstract

Mt. Pandan is a Quaternary volcano formed on Early Pleistocene. It consists of several volcanic eruption centers and geothermal manifestations. This study focused on the northern slopes of Mt. Pandan and its surrounding areas, which are located in the Klino village, Ngambon district, Nganjuk-Bojonegoro-Madiun borders. The methods used in this study were geological mapping supported by petrographic and geological structure analysis. Volcanic rock units that build research areas can be divided into four, namely Mt. Nangka volcanic rocks unit, Mt. Telogo Gebang volcanic rocks unit, Mt. Lawang volcanic rocks unit, and Mt. Pandan volcanic rocks unit. The areas were controlled by Kali Banjar lateral fault, Kali Sambongrejo lateral fault, Kali Gandong lateral and reverse faults, and Bladogan lateral fault. Banyu Kuning hot spring located in Kali Pacal was controlled by Kali Banjar fault. Characteristics of this hot spring were T: 38°C, Total Dissolved Solid (TDS): 1295 mg/L, and pH: 6-7. Jari Kasinan hot spring located at Jari village was controlled by Kali Jati fault. Characteristics of Jari Kasinan hot spring were T: 32° C, TDS: 1930-1940 mg/L, pH: 6, with travertine calcite and argillic alteration type. The average discharge of both hot springs is 1 liter/second and the residents use them directly.

Item Type: Article
Subjects: Q Science > QE Geology
Divisions: Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User: dwi fitri yudiantoro
Date Deposited: 12 Mar 2018 07:12
Last Modified: 12 Mar 2018 07:12
URI: http://eprints.upnyk.ac.id/id/eprint/14608

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