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types of underground mining methods
- unsuported(natural suport)mining method
-saported(artificial support)mining method
- caving method
Mattie Grant
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What are some types of mines?
Open cast mines, coal mines, silver mines, land mines.
What are the three types of surface mines?
Strip mining, Open pit mining and Mountaintop removal mining
How was coal recovered from the ground?
miners take machines for underground miningthey use three types of mines : lope, slope,and shaftthis is very helpful info
How many salt mines are there?
There are 7 million salt mines.
What is most likely found in the great plains wheat fields or gold mines?
What would probably be found is gold or silver in the mines.
What are some types of mines?
Open cast mines, coal mines, silver mines, land mines.
What are types of mines?
coal mining
How many vessels did magnetic mines destroy in World War 2?
There were many types of mines used in World War Two. Magnetic mines were some of them.
What Latin American country mines several types of minerals?
Mexico
Are there diamonds or mines in Missouri?
No Diamond mines in Missouri, there was volcanic activity and all the conditions exist for the formation of the diamonds but none have been found. There are many other types of mines in Missouri from Limestone to Lead.
What do mines look like?
Mines can vary in appearance depending on the type and location. Surface mines often appear as large open pits or quarries, while underground mines may have vertical entrances or shafts. Mines may also have associated infrastructure such as processing plants, equipment, and tailings storage areas.
What are the three types of mining?
Strip mines,Openpit mines & shaft mines
What type of mines did the Confederates use in the US Civil War?
The Confederates used two types of mines, they were either self acting ones or ones controlled as Samuel Colt had experimented with. The self acting mines exploded on contact when a vessels hull came into contact with it. The controlled mines were set off from shore by a concealed observer. When a targeted Union vessel came close to the mine's location, a switch was clicked on and the mine exploded. Most of the Confederate mines were of the self acting types.
What are the types of surface mines?
Strip mining, Open pit mining and Mountaintop removal mining
What types of mines currently exist in cumberland county North Carolina?
well in cumberland county there is currently no existing mines.in North Carolina there is existing mines.just no mines in cumberland county.
The new tchnological invention used to threaten allied warships and commerce was?
The submarine and the various types of mines.
What are the three types of surface mines?
Strip mining, Open pit mining and Mountaintop removal mining
