Which of the following is a mineral ore?

1. a rock with fossilized insect 3. a sediment that has gold traces

2. a rock combined with copper 4. a rock that contains valuable mineral

• 1, 2 and 3

• 1, 3 and 4

• 2, 3 and 4

• 4, 2 and 1

Which of the following mining methods is applicable in mining gravel?

• Dredging

• Open-pit mining

• Strip mining

• Underground mining

Chromite miners in the Philippines use drill or explosive to bore hole in the ground to extract the mineral deposits. Which mining method did the miners use?

• Dredging

• Open-pit mining

• Strip mining

• Underground mining

The following are the processes done by modern miners to determine the prospective mineral ore body except

• using geophysical techniques

• determining the elevation of the area

• measuring the magnetic reading of the area

• determining the sonic responses of the location

A geologist examined the ore sample from unidentified mining site. He tested the chemical, mineral and particle size of the mineral sample. What mineral processing did he perform?

• Analysis

• Comminution

• Dewatering

• Sampling

Which mineral process involves filtration and sedimentation of the mining water and drying of the solid minerals harvested from this suspension?

• Comminution

• Analysis

• Concentration

• Dewatering

Which of the arrangement of mineral processing is correct?

• comminution, dewatering, crushing, grinding and analysis

• sampling, analysis, comminution, filtration and dewatering

• sampling analysis, comminution, concentration and dewatering

• dewatering, comminution, analysis, sampling and surface mining

Which is true about surface mining?

• It is the most dangerous method of mining.

• Surface mining is expensive type of mining.

• Surface mining can be done through creating a tunnel.

• It is used to extract ore minerals near the surface of the earth.

Which of the following processes involved crushing and grinding of mineral ore?

• Comminution

• Analysis

• Sampling

• Dewatering

Which of the following statement/s is/are incorrect?

1. Surface and underground mining use explosives.

2. Underground mining is cheaper than surface mining

3. Open pit mining is the most common type of surface mining

• 1 only

• 2 only

• 1 and 2

• 1 1nd 3