Bitcoin litters
1、 Open pit mining: in general, diamond mines are mined around kimberlite pipes. The middle of the pipes is the place where high-quality diamonds are most concentrated, which is usually characterized by huge holes. When the Kimberley rock pipeline was found, miners g out vertically from the ground surface
Second, underground mining: this mining method is safer and more efficient, especially with the deepening of the mining process, it is difficult to judge whether to continue mining to expand the mine. Underground mining only needs to open a tunnel to extract diamonds under the surface, which is more reasonable and less dangerous. Sometimes a combination of underground and open-pit mining is used to make a tunnel from the pit into the surrounding rock Extraction of kimberlite from the mine: kimberlite can be released from the earth's crust by artificial explosion, and a large number of rocks can be destroyed by explosion, but it can not be detected on site. It is wrapped with diamonds and must be transferred to another place for processing and diamond extraction by large trucks and steam shovels, Generally speaking, there are 0.5 carats of diamonds in one ton of mud (4) percussive Mining: rivers and streams will bring kimberlite to the river bed, shore, or even coastal zone to form percussive sand deposits. Percussive mining is also known as artificial mining, because the miner has to go to the percussive sand deposit to search for diamonds artificially. The farther away from the kimberlite pipeline, the lower the output of diamonds and the more sparse the distribution density of diamonds. Therefore, percussive mining is not suitable for instrial diamond mining
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1. The Kimberley diamond deposit was discovered by the Burnett brothers in 1870. It is this discovery that makes people know which kind of rock may contain diamond. It's a volcanic rock formed after the magma of ancient times cooled. In places where garnet and olivine are proced, the possibility of finding diamond is relatively high. Therefore, garnet and olivine become the "indicator minerals" for diamond
From 1866 to 1914, 50000 miners used shovels and other tools to excavate, and a total of 2722 kg of diamonds were excavated. The South African government is trying to apply for the Kimberley pit as a world heritage site Third, open-pit mining is a process of removing the covering from the ore body to obtain the required minerals and extracting useful minerals from the open surface stope. Open pit mining operation mainly includes perforation, blasting, mining and loading, transportation and mping. Compared with underground mining, open pit mining has the advantages of full utilization of resources, low dilution rate, suitable for large-scale mechanical construction, fast mine construction, large output, high labor proctivity, low cost, good working conditions and safe proctionThis time the news can be said to have caused a hot discussion among netizens. After all, the price of bitcoin has exceeded 33000 dollars. At the beginning, a programmer threw away 7500 bitcoins as garbage. If converted, he has lost billions of yuan. Now let's talk about some stories behind bitcoin, and why bitcoin can soar. We can praise and pay attention to those we like{ Third, is bitcoin worth investing
now the price of bitcoin has exceeded US $33000, but in fact, bitcoin is definitely not worth it. This is all hyped up. In fact, we can find out from all kinds of evidence that bitcoin only appears overwhelming news when it rises. However, when it fell, bitcoin seemed to disappear and would not appear in our view
With more and more cases of bitcoin becoming rich, many people realize that the appreciation space behind bitcoin is very huge. Many people are annoyed that they didn't catch the train of becoming rich. Compared with the common legal currency in life, bitcoin is a virtual digital currency. Since its birth in January 2019, the price of bitcoin has increased from US $0.0025 to US $0.0025, After ten years of development, it has successfully broken through to US $31000, and the soaring momentum has not stopped{ RRRRR}
most of them come from bitcoin mined in the early stage of technology. Many people think that these bitcoins are worthless, and they are unwilling to spend time to save them, so they are graally forgotten by themselves, and even many people have long forgotten that they own bitcoin. It must be that those who lost them because they had no hope for bitcoin should regret it now, I can only comfort myself that I have no predestined relationship with sudden wealth
James middot, British it engineer; Howells recently discovered that he had thrown away the hard disk containing 7500 bitcoin private keys as garbage. James has been mining 7500 bitcoins on personal computers since 2009. Without the private key, although my own bitcoin has not disappeared, I can't trade with bitcoin. According to the current price of 32000 US dollars, it is equivalent to a loss of more than 260 million US dollars, nearly 1.7 billion yuan. He expressed regret
address: No.300 middle Jiangdong Road, Jianye District, Nanjing City
Tel: (025) 86753315
bus line: No.16 → Metro Line 2, the whole journey is about 14.6 km
1. Take No.16 from Sanpailou, pass 7 stops, and reach Xinjiekou South Station
2. Walk about 20 meters to Xinjiekou station
3. Take Metro Line 2, pass 8 stops, Reach Yuantong station (or take subway line 1)
4. Walk about 410 meters to reach the network map of Nanjing International Expo Center
< p class = "f-aid" style = "margin: Auto;" > This data comes from the network map, and the final result is subject to the latest data of the network map
The current price of bitcoin is 245453, and its concept was first proposed in 2009. And 2021 is also expected to be a bull market for bitcoin. Bitcoin's main advantages are as follows