Journal of Geosciences and Applied Geology
Vol 4, No 1 (2020): Journal of Geological Science and Applied Geology

CHARACTERISTICS OF VOLCANIC ROCK CIKOTOK FORMATION AT CIHARA AND SURROUNDING AREA, LEBAK DISTRICT, BANTEN PROVINCE

Aton Patonah (Faculty of Geological Engineering, Padjadjaran University)
Haryadi Permana (Research Center for Geotechnology LIPI)
Fadhli Alamsyah (Research Center for Geotechnology LIPI)

Article Info

Publish Date
13 Aug 2020

Abstract

Volcanic rock of Cikotok Formation in southern part of the Bayah Dome, known as old andesite volcanic, is one of the parent rocks contain gold and base metal mineralization. This study aims to identify in more detail about texture, structure, and composition of mineral constituents of the rock by using field observation and petrographic methods. The result shows that the volcanic rocks of Cikotok Formation were came from shallow eruptions and relatively rapid cooling characterized by trachytic to porphyritic texture, embayment, and amygdaloidal structure. Most of these rocks have altered. These altered rocks are believed related to deformation at Oligo-Miocene that causing the presence of weak zone so that hydrothermal fluid can passes through

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Journal Info
Journal of Geosciences and Applied Geology
Website

Abbrev

gsag

Publisher

Universitas Padjadjaran

Subject

Earth & Planetary Sciences Engineering

Description

Journal of Geological Sciences and Applied Geology (GSAG) is a National multidisiplinary Journal focus on Geological Sciences, Applied Geology, and Geological Engineering and Earth Science. Our Mission is to publish research related to (but not limited) Geology Petrology Paleontology Stratigraphy ...