A shaft mine is used to mine ore diposites from veins.
a shaft mine
plate tectonics. Please research that subject for more info.I can answer that! Major gold deposits are usually found deep underground, but this gold was ...they went to mine in the Sierra Nevada. The mining process started with this knowledge ... veins, thereis no guarantee that all the veins that looked at first glance to be of ... How did the gold actually get into these veining systems? ...
plate tectonics. Please research that subject for more info.I can answer that! Major gold deposits are usually found deep underground, but this gold was ...they went to mine in the Sierra Nevada. The mining process started with this knowledge ... veins, thereis no guarantee that all the veins that looked at first glance to be of ... How did the gold actually get into these veining systems? ...
plate tectonics. Please research that subject for more info.I can answer that! Major gold deposits are usually found deep underground, but this gold was ...they went to mine in the Sierra Nevada. The mining process started with this knowledge ... veins, thereis no guarantee that all the veins that looked at first glance to be of ... How did the gold actually get into these veining systems? ...
Usually a shaft mine would be used, unless the ore deposits were in a "vein", then a open-pit mine would be used.
A shaft mine.
Major Deposits of Muscovite occur in India,Pakistan,Brazil and the Commonwealth of Independant States. The United States does not produce much Muscovite. I found some a few years ago at an abandoned mine in Colorado. (the "Chlora May" mine).
Khewra, the salt mine is the largest mine in Pakistan. Khewra has the largest deposits of rock salt and is situated in northern Punjab.
they don't for sure. however when the known veins in the mine quit producing economically the mine is generally considered worked out. if the price of gold rises, new veins are found, or new technology permits greater recovery, they may reconsider and open the mine again.
Its called a Vein Mine
opencast mine
they are in the gold veins in most training maps