Today, the status of gold mining

Topics: Mining, Gold, Ore Pages: 3 (383 words) Published: December 6, 2013
Gold mining is the extraction of gold from the formation of gold-rich process. There are a

variety of techniques can be mined from the formation of the gold, the most primitive way is

gold, then after Gold Separation Equipment Sieving. Currently on industrial multi-purified gold

cyanide, but cyanide toxic, and therefore are developing new gold extraction reagents.

Gold mining major ways: open pit gold mining can be divided into two and underground mining

to underground mining based. Suitable for open-pit mining in general and micro-fine gold

placer mining. Placer gold mining has two mining and artificial gold mining ship, the former

is used in eluvial zone and the presence of a large number of coarse gravel riverbed areas to

dig for gold richer artificial horizon for the purpose. General dug placer exists only in

some small profitable ore, ore grade of 0.02 g / m3 can be more profitable. Some gold mining

river boat is larger, more stable gold grade gold layer, artificial profits or difficult to

dig a large gold mining company under the gold mining area to the way large-scale mining,

gold mining ship costs are normally up millions of dollars, and therefore requires a good

gold mining operation area. Underground mining is the main way Chinese gold mining, because

most of the Chinese gold deposit is concealed, semi-concealed orebody, requires the use of

open hole ways to mine gold.

In South Africa, the world's most advanced gold mining straight hole to a depth of 3,000

meters. Since gold buried deep underground, sulphide mineral-based gold mining requires a

higher ore grade, simple alternative minimum sulphide ore industry requirements in 2 grams /

ton, mined at an average grade of 4 g / ton to profit . Depending on the complexity of the

gold grade of ore types and optional other associated minerals may be, no useful elements of

high muddy high arsenic sulfide gold ore is required to...
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