Ores
Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit. Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals. The grade of ore refers to the concentration of the desired material it contains. The value of the metals or minerals a rock contains must be weighed against the cost of extraction to determine whether it is of sufficiently high grade to be worth mining, and is therefore considered an ore.Minerals of …
WikipediaPublications
Laws.Africa · 7 October 2022 English
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Laws.Africa · 7 October 2022 English
the chemical or electrolytic reduction of metal ores, the thermal decomposition of substances, and; …
Laws.Africa · 5 August 2022 English
ovens for the roasting or other heat-treatment of ores, pyrites or of metals as well as granulators, guillotines … the roasting, melting or other heat-treatment of ores, pyrites or of metals 8417.10 - Other 8417.80 Guillotines …
Laws.Africa · 6 July 2022 English
present in such products as non-mercury metals, ores, or mineral products, including coal, or products …
Laws.Africa · 1 July 2022 English
5% Mining of iron ores 987.74 901.85 135.28 1,037.12 5% Mining of metal ores 987.74 901.85 135 … 91.03 697.88 5% Wholesale of metals and metal ores 664.65 606.85 91.03 697.88 5% Wholesale of …
Laws.Africa · 30 May 2022 English
underground methods, including stone, sand, clay, kaolin, ores, minerals or precious stones and includes buildings …
Laws.Africa · 22 April 2022 English
after the coming into operation of this Act; and Ores CNo (b) within the three years immediately preceding …
Laws.Africa · 7 March 2022 English
of common metal; tree protectors of metal; iron ores; railway material of metal; unwrought or semi-wrought …
Laws.Africa · 25 February 2022 English
Goods Services— Common metals and their alloy s. ores: metal materials for building and construction; …
Laws.Africa · 24 February 2022 English
29 IN OENG 62 2025 sa ages es eo sae Oe DCSE ORES Fa Sa U DORs aa Sod ad WORN Ea et ae Ua ce a Bea …
