TBP’s main products are Laterite Nickel Ore, also known as Saprolite (high grade nickel) and Limonite (low grade nickel). Nickel Ore deposits are generally not very deep. Limonite Nickel Ore layer are at the top, while Saprolite at the bottom layer. Limonite used to be overburden, but now has become strategic material since 2021 because of the green implementation technology, PT Halmahera Persada Lygend.
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