Ore mineralogy of podiform-type chromite deposit in Tedubara area and its vicinity, Kabaena Island, Indonesia

Sara Septiana; Idrus Arifus; Federica Zaccarini; Giorgio Garuti; L D  Setijadji

doi:10.1088/1755-1315/851/1/012044

Ore mineralogy of podiform-type chromite deposit in Tedubara area and its vicinity, Kabaena Island, Indonesia

Sara Septiana, Idrus Arifus, Federica Zaccarini, Giorgio Garuti, L D Setijadji

Chair of Resource Mineralogy (620)

Universitas Gadjah Mada, Indonesia

Research output: Contribution to journal › Conference article › peer-review

Abstract

Kabaena Island is one of the areas in Southeast Sulawesi that has the potential for chromite deposits. This paper is aimed to provide information on the mineralogical aspects of chromitite from the research area. Back-scattered electron (BSE) imaging and chemical analysis of chromite were performed using an electron microprobe. Chromite deposits in the study area are of podiform-type. Chromite is massive and brecciated. Based on the content of Cr # = Cr/(Cr + Fe3+) of the chromite, comprised between 0.61 and 0.74, the studied chromitite can be classified as Cr-rich. The only PGM (Platinum Group Minerals) found in several chromitite samples is laurite (RuS2). PGM occurs enclosed in chromite crystals and in the contact with microfractures of chromite crystals.

Original language	English
Article number	012044
Number of pages	8
Journal	IOP conference series: Earth and environmental science
Volume	851.2021
Issue number	1
DOIs	https://doi.org/10.1088/1755-1315/851/1/012044
Publication status	Published - 25 Oct 2021

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Publisher Copyright: © Published under licence by IOP Publishing Ltd.

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abstract = "Kabaena Island is one of the areas in Southeast Sulawesi that has the potential for chromite deposits. This paper is aimed to provide information on the mineralogical aspects of chromitite from the research area. Back-scattered electron (BSE) imaging and chemical analysis of chromite were performed using an electron microprobe. Chromite deposits in the study area are of podiform-type. Chromite is massive and brecciated. Based on the content of Cr # = Cr/(Cr + Fe3+) of the chromite, comprised between 0.61 and 0.74, the studied chromitite can be classified as Cr-rich. The only PGM (Platinum Group Minerals) found in several chromitite samples is laurite (RuS2). PGM occurs enclosed in chromite crystals and in the contact with microfractures of chromite crystals.",

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AU - Septiana, Sara

AU - Arifus, Idrus

AU - Zaccarini, Federica

AU - Garuti, Giorgio

AU - Setijadji, L D

PY - 2021/10/25

Y1 - 2021/10/25

N2 - Kabaena Island is one of the areas in Southeast Sulawesi that has the potential for chromite deposits. This paper is aimed to provide information on the mineralogical aspects of chromitite from the research area. Back-scattered electron (BSE) imaging and chemical analysis of chromite were performed using an electron microprobe. Chromite deposits in the study area are of podiform-type. Chromite is massive and brecciated. Based on the content of Cr # = Cr/(Cr + Fe3+) of the chromite, comprised between 0.61 and 0.74, the studied chromitite can be classified as Cr-rich. The only PGM (Platinum Group Minerals) found in several chromitite samples is laurite (RuS2). PGM occurs enclosed in chromite crystals and in the contact with microfractures of chromite crystals.

AB - Kabaena Island is one of the areas in Southeast Sulawesi that has the potential for chromite deposits. This paper is aimed to provide information on the mineralogical aspects of chromitite from the research area. Back-scattered electron (BSE) imaging and chemical analysis of chromite were performed using an electron microprobe. Chromite deposits in the study area are of podiform-type. Chromite is massive and brecciated. Based on the content of Cr # = Cr/(Cr + Fe3+) of the chromite, comprised between 0.61 and 0.74, the studied chromitite can be classified as Cr-rich. The only PGM (Platinum Group Minerals) found in several chromitite samples is laurite (RuS2). PGM occurs enclosed in chromite crystals and in the contact with microfractures of chromite crystals.

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Ore mineralogy of podiform-type chromite deposit in Tedubara area and its vicinity, Kabaena Island, Indonesia

Abstract

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