Preliminary Examination of Vein Type Ore Mineralization from Cindakko, Maros Regency, South Sulawesi, Indonesia
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Institute of Geological Science, Jagiellonian University, Kraków 30-387, Poland
Department of Earth Resources Engineering, Kyushu University
Geology Engineering Department, Hasanuddin University, Gowa 92171, South Sulawesi, Indonesia
Mining Engineering Department, Hasanuddin University, Gowa 92171, South Sulawesi, Indonesia
Submission date: 2023-01-27
Final revision date: 2023-05-11
Acceptance date: 2023-05-19
Publication date: 2023-09-22
Corresponding author
Ibnu Munzir   

Institute of Geological Science, Jagiellonian University, Kraków 30-387, Poland
Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2023;39(3):65–80
There is a sulfide mineralization vein type in the Cindakko area, Maros Regency, South Sulawesi. The results of mineralogical studies on the Cindakko prospects for sulfide ore mineralization are explained in this paper. Petrographic, mineragraphic, and XRD methods analyzed the mineralization and alteration samples from the research area. The results showed that the host rock mineralization is basalt, a member of the Baturappe-Cindakko Volcano from the Late Miocene age. The identified hydrothermal alteration mineral associations include quartz, chlorite, epidote, biotite, actinolite, and pyrite, generally formed in propyllitic alteration zones mainly characterized by chlorite. The analysis provides the occurrence of mineralization types: crustiform-banding quartz veins, vuggy quartz, and disseminated, contain hypogenic pyrite, chalcopyrite, sphalerite, bornite, and tennantite ores, and supergene ore minerals in the form of covellite. Ore textures recognized under a microscope are intergrowth, replacement, open-space filling, and exsolution. Based on the interpretation of temperature stability of hydrothermal alteration minerals, it is concluded that it was formed at approximately 200 to 320°C with the hydrothermal fluid pH almost neutral. The fundamental characteristics of hydrothermal alteration, ore mineral assemblage and texture, mineralization type, temperature range form, and hydrothermal fluid pH indicate that the mineralization in the Cindakko Prospect is an epithermal type.
We thank the Head of Optical Mineral Laboratory Department of Geology, Hasanuddin University, for collecting X-ray Diffraction data and the Head of Mineral Exploration Laboratory of Mining Engineering Department, Hasanuddin University, for analyzing samples for the purposes mineral identification, located in Makassar, South Sulawesi Province. We appreciate the hospitality of the residents of Ballasa and Muntia Rivers in the Cindakko prospect area. The permit given during this study by the Government Agency is greatly appreciated.
Wstępne badanie mineralizacji rudy typu żyły z Cindakko, Maros Regency, South Sulawesi, Indonezja
mineralizacja siarczkowa, przemiana hydrotermalna, przemiana propylolityczna, typ epitermalny
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