Minerals and rocks extracted from the earth's crust for purposes of utilisation are called useful or valuable. Extraction is the aggregate of industrial operations required to remove useful minerals from aerth's crust. Mine output is the amount of useful mineral recovered from the earth's crust within a certain period of time.
Ketersediaan
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat
PMB 622.3 SHE m
PMB 622.3 SHE m
Tersedia
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Pusat Vulkanologi dan Mitigasi Bencana Geologi - Jln. Diponegoro No. 57, Bandung, Jawa Barat
PVG 553.06 She m c.1