Mining"Demandite" is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of civilization.
Case For Moon First: Gateway to Entire Solar SystemSo then the other metals would be used on the Moon and then you return the residue to Earth for more processing as a very concentrated source of PGMs and gold.
Silicon dioxide | SiO2Silicon dioxide | SiO2 or (SiO2)n or O2Si | CID 24261 structure, chemical names, physical and chemical properties, classifiion, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
텍스트 영어사전텍스트 영어사전 P . paant louse/x. 진디(aphis) paasterer/n. 미장이, 석고장. paate glass/x. 두꺼운 판유리. PABA/paraaminobenzoic acid,
MineralA mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals or mineraloids.
Tumbled and Polished StonesTumbled and Polished Stones Over 60 varieties of colorful tumbled stones from around the world.
Grassland of the worldGRASSLANDS OF SOUTH AFRICA. Anthony R. Palmer and Andrew M. Ainslie . SUMMARY. South Africa is subtropical, with temperatures modified by altitude.