ENEAX APRIL 12 - 04 - 22

ENAEX- 04 - 22

By George Bentley

an underground layer of a mineral such as coal.

COAL SEAM!

SHAFT​

​a column that runs down to the bottom of the mine. It is used to transport people, ore and equipment up and down the mine.

SEE THE VIDEO!

SHAFT SINKING

​Shaft sinking

​the activity of establishing a vertical or declined tunnel to obtain the precious metal and/or mineral.

SLOPE STABILITY

​The walls of the pit have a certain slope determined by the strength of the rock mass and other factors. Increasing the pit slope angle by only a few degrees can decrease stripping costs tremendously or increase revenues through increased ore recovery.

​the walls of a pit have a certain slope

STRIPPING RATIO

​the amount of waste rock mined relative to the of ore rock mined.

Multiple Choice

What is this?

• COAL BEAM

• COAL SEAM!

• COAL SEEM

• COAL SEEMED

Multiple Choice

What is this?

• SHAFT SINKING

• SHIFT

• STRIPPING RATIO

• SHAFT

Multiple Choice

What is this?

• SLOPE STABILITY

• SHAFT SINKING

• STRIPPING RATIO

• SHAFT

Multiple Choice

What is this?

• STRIPPING RATIO

• SHAFT

• SLOPE STABILITY

• SHIFT SINKING

Multiple Choice

What is this?

• STRIPPING RATIO

• STRIPPING RAT

• STRIPPING RETIO

• STIPPING RATIO