Analisis Perbandingan Kadar MgO Dan SiO2 Pada Nikel Kadar Rendah di Kabupaten Kolaka dan Kabupaten Kolaka Utara
DOI:
https://doi.org/10.33536/jg.v10i01.1506Keywords:
Nickel, Grade, MgO, SiO2, XRFAbstract
Research on the levels of minerals or other elements in nickel deposits such as MgO and SiO2 in low-grade nickel ores is currently still very rare, so research is needed to analyze the percentage of MgO and SiO2 levels in low-grade nickel deposits, especially in low-grade nickels originating from Kolaka Regency and North Kolaka Regency. The goals of this study is to analyze and compare the results of XRF testing on nickel samples from Kolaka Regency and nickel samples from North Kolaka Regency. In addition, the research was conducted with direct observation on the ground, precisely in the Stockpile contained in one of the nickel mining companies located in Kolaka Regency and North Kolaka Regency. The results of this study can be concluded that the MgO content of nickel samples from Kolaka Regency showed a smaller percentage value of 11.22%, compared to nickel samples from North Kolaka Regency which reached 18.49%. While the level of SiO2 nickel samples originating from Kolaka Regency showed a higher percentage value of 44%, compared to SiO2 levels in nickel samples originating from North Kolaka Regency which was around 36.74%. In terms of deposit type for laterite formation, kolaka is indicated as Oxides Deposit type and northern kolaka is indicated as Hydrous Silicate Deposit type.
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