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The discovery of treasure in the territory of Indonesia is always interesting to explore, especially if it is of high value such as gold and rare earth metals. Photo/Illustration
Some of these findings are already familiar to the ear, such as gold and copper, but there are also those that are not widely known, such as rare earth minerals. Regarding these findings, the following is a summary quoted from various sources:
1. Copper-Gold Onto 2 Billion Tons
One of the latest findings is related to the potential of Onto’s copper-gold resources in Hu’u District, Dompu Regency, West Nusa Tenggara (NTB).
It is estimated that the discovery in the province adjacent to the island of Bali has natural resource potential of 1.1 billion tons of copper and gold. In total, these natural mineral resources have a potential of more than 2 billion tons.
The discovery in 2021 is a larger finding than 2019. In December 2019, PT Sumbawa Timur Mining (STM) announced that the total potential of Onto’s copper resources reached 1.72 billion tons.
Onto’s mineral resource potential is part of the Hu’u project owned by PT STM which is the holder of the 7th generation Contract of Work (KK) which was signed by the Indonesian government in February 1998.
The increase in the potential of Onto’s mineral resources by 0.4 billion tons is the result of hard work, support, and commitment over the last two years.
As of December 2021, the estimated potential for this mineral resource has a total potential of 1.1 billion tonnes @ 0.96% Cu (Copper), 0.58 g/t Au (Gold), and an Inferred mineral resource potential of 1.0 billion tonnes @0.7%Cu and 0.4 g/t Au.
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