Open pit mining often results in a large hole or pit being formed in the process of extracting a mineral.
Deposits mined by open pit techniques are generally divided into horizontal layers called benches.
The thickness of the benches depends on the type of deposit & the mineral being mined.
Mining is generally conducted on a number of levels at any one time.
For withdrawing soil samples of consistent volume from a deep, continuous core.
Cadmium plated sample cylinder with serrated cutting edge with wooden handle.
For cutting solid cylindrical soil sample.
Steel tube with cutting edges at lower end.
An engraved index line ensures consistent volume of sample with tommy bar, size 500 x 50 mm
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