Melanesia minerals and mining tenders

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In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form. Minerals are classified by key chemical constituents; the two dominant systems are the Dana classification and the Strunz classification. Silicate minerals comprise approximately 90% of the Earth's crust. Other important mineral groups include the native elements, sulfides, oxides, halides, carbonates, sulfates, and phosphates. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.

Melanesia is a subregion of Oceania in the southwestern Pacific Ocean. It extends from New Guinea in the west to Tonga in the east, and includes the Arafura Sea and a few thousand islands. The region includes the four independent countries of Fiji, Vanuatu, the Solomon Islands, and Papua New Guinea. It also includes the French colonial collectivity of New Caledonia and parts of Indonesia – notably the provinces of Papua and West Papua. Almost all of the region is in the Southern Hemisphere; only a few small islands that aren't politically considered part of Oceania—specifically the north western islands of Western New Guinea—lie in the Northern Hemisphere. Countries in Melanesia - Fiji, Vanuatu, the Solomon Islands, Papua New Guinea, New Caledonia.