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Bauxite deposits in Indonesia, Malaysia and the Philippines, 1986 USGS map. Bauxite was first discovered in modern Indonesia in the Riau Islands in 1924, under the Dutch East Indies administration. Production commenced in the 1930s, with the volume of ore mined between 1936 and 1960 being between 100 and 400 thousand tonnes, rising to 900,000 ...
The Ombilin Coal Mine (formerly PT Tambang Batubara Ombilin (TBO)) is a coal mine near Sawahlunto, West Sumatra, Indonesia. It is located in a narrow valley along the Bukit Barisan mountains, among the Polan, Pari, and Mato hills, approximately 70 kilometres (43 mi) northeast of Padang .
Historically, the acidic discharges from active or abandoned mines were called acid mine drainage, or AMD. The term acid rock drainage, or ARD, was introduced in the 1980s and 1990s to indicate that acidic drainage can originate from sources other than mines. [1]
PT Freeport Indonesia (PTFI) is the company that currently manages Grasberg mine. The mining company is a joint venture between Indonesian and American interests, with the Indonesian government through its state-owned company PT Mineral Industri Indonesia (MIND ID) and PT Indonesia Papua Metal & Mineral, a company co-owned by MIND ID and ...
The Martabe mine is an open pit mine that is one of the largest gold mines in western Sumatra island, Indonesia and in the world. [1] This mine also mines silver. The Martable mine will continued to be mined unit 2032. In 2022, various processing plant facilities were added and refined to support world-class gold and silver mining operations. [2]
The mine is the second largest copper-gold mine in Indonesia behind the Grasberg mine of PT. Freeport Indonesia. Freeport Indonesia. The mine is located 1,530 kilometres (950 mi) east of the Indonesian capital Jakarta on Sumbawa , an island in West Nusa Tenggara Province, more precisely in the southern part of West Sumbawa Regency .
The Indonesia Morowali Industrial Park (IMIP) is an industrial park hosting primarily nickel-related industries in Morowali Regency, Central Sulawesi, Indonesia. It is the largest nickel processing site in Indonesia, which is the world's top nickel producer. [1] In 2023, Wired magazine called it "the world's epicenter for nickel production."
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